#include <linux/debugfs.h>
#include <linux/ioport.h>
#include <linux/kernel.h>
-#include <linux/pfn_t.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/module.h>
#include <linux/device.h>
-#include <linux/pfn_t.h>
#include <linux/cdev.h>
#include <linux/slab.h>
#include <linux/dax.h>
return -1;
}
-static void dax_set_mapping(struct vm_fault *vmf, pfn_t pfn,
+static void dax_set_mapping(struct vm_fault *vmf, unsigned long pfn,
unsigned long fault_size)
{
unsigned long i, nr_pages = fault_size / PAGE_SIZE;
ALIGN_DOWN(vmf->address, fault_size));
for (i = 0; i < nr_pages; i++) {
- struct folio *folio = pfn_folio(pfn_t_to_pfn(pfn) + i);
+ struct folio *folio = pfn_folio(pfn + i);
if (folio->mapping)
continue;
{
struct device *dev = &dev_dax->dev;
phys_addr_t phys;
- pfn_t pfn;
+ unsigned long pfn;
unsigned int fault_size = PAGE_SIZE;
if (check_vma(dev_dax, vmf->vma, __func__))
return VM_FAULT_SIGBUS;
}
- pfn = phys_to_pfn_t(phys, 0);
+ pfn = PHYS_PFN(phys);
dax_set_mapping(vmf, pfn, fault_size);
- return vmf_insert_page_mkwrite(vmf, pfn_t_to_page(pfn),
+ return vmf_insert_page_mkwrite(vmf, pfn_to_page(pfn),
vmf->flags & FAULT_FLAG_WRITE);
}
struct device *dev = &dev_dax->dev;
phys_addr_t phys;
pgoff_t pgoff;
- pfn_t pfn;
+ unsigned long pfn;
unsigned int fault_size = PMD_SIZE;
if (check_vma(dev_dax, vmf->vma, __func__))
return VM_FAULT_SIGBUS;
}
- pfn = phys_to_pfn_t(phys, 0);
+ pfn = PHYS_PFN(phys);
dax_set_mapping(vmf, pfn, fault_size);
- return vmf_insert_folio_pmd(vmf, page_folio(pfn_t_to_page(pfn)),
+ return vmf_insert_folio_pmd(vmf, page_folio(pfn_to_page(pfn)),
vmf->flags & FAULT_FLAG_WRITE);
}
struct device *dev = &dev_dax->dev;
phys_addr_t phys;
pgoff_t pgoff;
- pfn_t pfn;
+ unsigned long pfn;
unsigned int fault_size = PUD_SIZE;
return VM_FAULT_SIGBUS;
}
- pfn = phys_to_pfn_t(phys, 0);
+ pfn = PHYS_PFN(phys);
dax_set_mapping(vmf, pfn, fault_size);
- return vmf_insert_folio_pud(vmf, page_folio(pfn_t_to_page(pfn)),
+ return vmf_insert_folio_pud(vmf, page_folio(pfn_to_page(pfn)),
vmf->flags & FAULT_FLAG_WRITE);
}
#else
#include <linux/platform_device.h>
#include <linux/memregion.h>
#include <linux/module.h>
-#include <linux/pfn_t.h>
#include <linux/dax.h>
#include "../bus.h"
#include <linux/memory.h>
#include <linux/module.h>
#include <linux/device.h>
-#include <linux/pfn_t.h>
#include <linux/slab.h>
#include <linux/dax.h>
#include <linux/fs.h>
/* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
#include <linux/memremap.h>
#include <linux/module.h>
-#include <linux/pfn_t.h>
#include "../nvdimm/pfn.h"
#include "../nvdimm/nd.h"
#include "bus.h"
#include <linux/mount.h>
#include <linux/pseudo_fs.h>
#include <linux/magic.h>
-#include <linux/pfn_t.h>
#include <linux/cdev.h>
#include <linux/slab.h>
#include <linux/uio.h>
* pages accessible at the device relative @pgoff.
*/
long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
- enum dax_access_mode mode, void **kaddr, pfn_t *pfn)
+ enum dax_access_mode mode, void **kaddr, unsigned long *pfn)
{
long avail;
#include <linux/dma-buf.h>
-#include <linux/pfn_t.h>
#include <linux/shmem_fs.h>
#include <linux/module.h>
**************************************************************************/
#include <linux/fb.h>
-#include <linux/pfn_t.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_drv.h>
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
for (i = 0; i < page_num; ++i) {
- err = vmf_insert_mixed(vma, address, __pfn_to_pfn_t(pfn, 0));
+ err = vmf_insert_mixed(vma, address, pfn);
if (unlikely(err & VM_FAULT_ERROR))
break;
address += PAGE_SIZE;
#include <linux/anon_inodes.h>
#include <linux/mman.h>
-#include <linux/pfn_t.h>
#include <linux/sizes.h>
#include <drm/drm_cache.h>
#include <linux/spinlock.h>
#include <linux/shmem_fs.h>
#include <linux/dma-buf.h>
-#include <linux/pfn_t.h>
#include <drm/drm_prime.h>
#include <drm/drm_file.h>
#include <linux/seq_file.h>
#include <linux/shmem_fs.h>
#include <linux/spinlock.h>
-#include <linux/pfn_t.h>
#include <linux/vmalloc.h>
#include <drm/drm_prime.h>
VERB("Inserting %p pfn %lx, pa %lx", (void *)vmf->address,
pfn, pfn << PAGE_SHIFT);
- return vmf_insert_mixed(vma, vmf->address, __pfn_to_pfn_t(pfn, 0));
+ return vmf_insert_mixed(vma, vmf->address, pfn);
}
/* Special handling for the case of faulting in 2d tiled buffers */
pfn, pfn << PAGE_SHIFT);
for (i = n; i > 0; i--) {
- ret = vmf_insert_mixed(vma,
- vaddr, __pfn_to_pfn_t(pfn, 0));
+ ret = vmf_insert_mixed(vma, vaddr, pfn);
if (ret & VM_FAULT_ERROR)
break;
pfn += priv->usergart[fmt].stride_pfn;
*/
#include <linux/dma-buf.h>
-#include <linux/pfn_t.h>
#include <linux/vmalloc.h>
#include "v3d_drv.h"
#include <linux/io.h>
#include <linux/workqueue.h>
#include <linux/dma-mapping.h>
-#include <linux/pfn_t.h>
#ifdef CONFIG_X86
#include <asm/set_memory.h>
return VM_FAULT_SIGBUS;
get_page(page);
- return vmf_insert_mixed(vmf->vma, vmf->address, page_to_pfn_t(page));
+ return vmf_insert_mixed(vmf->vma, vmf->address, page_to_pfn(page));
}
static const struct vm_operations_struct msc_mmap_ops = {
static long linear_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
struct dax_device *dax_dev = linear_dax_pgoff(ti, &pgoff);
static long log_writes_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
struct dax_device *dax_dev = log_writes_dax_pgoff(ti, &pgoff);
static long stripe_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
struct dax_device *dax_dev = stripe_dax_pgoff(ti, &pgoff);
static long io_err_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
return -EIO;
}
#include <linux/dm-io.h>
#include <linux/dm-kcopyd.h>
#include <linux/dax.h>
-#include <linux/pfn_t.h>
#include <linux/libnvdimm.h>
#include <linux/delay.h>
#include "dm-io-tracker.h"
int r;
loff_t s;
long p, da;
- pfn_t pfn;
+ unsigned long pfn;
int id;
struct page **pages;
sector_t offset;
r = da;
goto err2;
}
- if (!pfn_t_has_page(pfn)) {
+ if (!pfn_valid(pfn)) {
wc->memory_map = NULL;
r = -EOPNOTSUPP;
goto err2;
r = daa ? daa : -EINVAL;
goto err3;
}
- if (!pfn_t_has_page(pfn)) {
+ if (!pfn_valid(pfn)) {
r = -EOPNOTSUPP;
goto err3;
}
while (daa-- && i < p) {
- pages[i++] = pfn_t_to_page(pfn);
- pfn.val++;
+ pages[i++] = pfn_to_page(pfn);
+ pfn++;
if (!(i & 15))
cond_resched();
}
static long dm_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
struct mapped_device *md = dax_get_private(dax_dev);
sector_t sector = pgoff * PAGE_SECTORS;
#include <linux/kstrtox.h>
#include <linux/vmalloc.h>
#include <linux/blk-mq.h>
-#include <linux/pfn_t.h>
#include <linux/slab.h>
#include <linux/uio.h>
#include <linux/dax.h>
/* see "strong" declaration in tools/testing/nvdimm/pmem-dax.c */
__weak long __pmem_direct_access(struct pmem_device *pmem, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
resource_size_t offset = PFN_PHYS(pgoff) + pmem->data_offset;
sector_t sector = PFN_PHYS(pgoff) >> SECTOR_SHIFT;
if (kaddr)
*kaddr = pmem->virt_addr + offset;
if (pfn)
- *pfn = phys_to_pfn_t(pmem->phys_addr + offset, pmem->pfn_flags);
+ *pfn = PHYS_PFN(pmem->phys_addr + offset);
if (bb->count &&
badblocks_check(bb, sector, num, &first_bad, &num_bad)) {
static long pmem_dax_direct_access(struct dax_device *dax_dev,
pgoff_t pgoff, long nr_pages, enum dax_access_mode mode,
- void **kaddr, pfn_t *pfn)
+ void **kaddr, unsigned long *pfn)
{
struct pmem_device *pmem = dax_get_private(dax_dev);
pmem->disk = disk;
pmem->pgmap.owner = pmem;
- pmem->pfn_flags = 0;
if (is_nd_pfn(dev)) {
pmem->pgmap.type = MEMORY_DEVICE_FS_DAX;
pmem->pgmap.ops = &fsdax_pagemap_ops;
#include <linux/badblocks.h>
#include <linux/memremap.h>
#include <linux/types.h>
-#include <linux/pfn_t.h>
#include <linux/fs.h>
enum dax_access_mode;
phys_addr_t phys_addr;
/* when non-zero this device is hosting a 'pfn' instance */
phys_addr_t data_offset;
- u64 pfn_flags;
void *virt_addr;
/* immutable base size of the namespace */
size_t size;
long __pmem_direct_access(struct pmem_device *pmem, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn);
+ unsigned long *pfn);
#ifdef CONFIG_MEMORY_FAILURE
static inline bool test_and_clear_pmem_poison(struct page *page)
#include <linux/blkdev.h>
#include <linux/completion.h>
#include <linux/interrupt.h>
-#include <linux/pfn_t.h>
#include <linux/uio.h>
#include <linux/dax.h>
#include <linux/io.h>
static void dcssblk_submit_bio(struct bio *bio);
static long dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn);
+ unsigned long *pfn);
static char dcssblk_segments[DCSSBLK_PARM_LEN] = "\0";
static long
__dcssblk_direct_access(struct dcssblk_dev_info *dev_info, pgoff_t pgoff,
- long nr_pages, void **kaddr, pfn_t *pfn)
+ long nr_pages, void **kaddr, unsigned long *pfn)
{
resource_size_t offset = pgoff * PAGE_SIZE;
unsigned long dev_sz;
if (kaddr)
*kaddr = __va(dev_info->start + offset);
if (pfn)
- *pfn = __pfn_to_pfn_t(PFN_DOWN(dev_info->start + offset), 0);
+ *pfn = PFN_DOWN(dev_info->start + offset);
return (dev_sz - offset) / PAGE_SIZE;
}
static long
dcssblk_dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
struct dcssblk_dev_info *dev_info = dax_get_private(dax_dev);
#include <linux/mutex.h>
#include <linux/notifier.h>
#include <linux/pci.h>
-#include <linux/pfn_t.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/types.h>
break;
#ifdef CONFIG_ARCH_SUPPORTS_PMD_PFNMAP
case PMD_ORDER:
- ret = vmf_insert_pfn_pmd(vmf, __pfn_to_pfn_t(pfn, 0), false);
+ ret = vmf_insert_pfn_pmd(vmf, pfn, false);
break;
#endif
#ifdef CONFIG_ARCH_SUPPORTS_PUD_PFNMAP
case PUD_ORDER:
- ret = vmf_insert_pfn_pud(vmf, __pfn_to_pfn_t(pfn, 0), false);
+ ret = vmf_insert_pfn_pud(vmf, pfn, false);
break;
#endif
default:
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/pagemap.h>
-#include <linux/pfn_t.h>
#include <linux/ramfs.h>
#include <linux/init.h>
#include <linux/string.h>
for (i = 0; i < pages && !ret; i++) {
vm_fault_t vmf;
unsigned long off = i * PAGE_SIZE;
- pfn_t pfn = phys_to_pfn_t(address + off, 0);
- vmf = vmf_insert_mixed(vma, vma->vm_start + off, pfn);
+ vmf = vmf_insert_mixed(vma, vma->vm_start + off,
+ address + off);
if (vmf & VM_FAULT_ERROR)
ret = vm_fault_to_errno(vmf, 0);
}
#include <linux/sched/signal.h>
#include <linux/uio.h>
#include <linux/vmstat.h>
-#include <linux/pfn_t.h>
#include <linux/sizes.h>
#include <linux/mmu_notifier.h>
#include <linux/iomap.h>
return page_folio(pfn_to_page(dax_to_pfn(entry)));
}
-static void *dax_make_entry(pfn_t pfn, unsigned long flags)
+static void *dax_make_entry(unsigned long pfn, unsigned long flags)
{
- return xa_mk_value(flags | (pfn_t_to_pfn(pfn) << DAX_SHIFT));
+ return xa_mk_value(flags | (pfn << DAX_SHIFT));
}
static bool dax_is_locked(void *entry)
if (order > 0)
flags |= DAX_PMD;
- entry = dax_make_entry(pfn_to_pfn_t(0), flags);
+ entry = dax_make_entry(0, flags);
dax_lock_entry(xas, entry);
if (xas_error(xas))
goto out_unlock;
* appropriate.
*/
static void *dax_insert_entry(struct xa_state *xas, struct vm_fault *vmf,
- const struct iomap_iter *iter, void *entry, pfn_t pfn,
+ const struct iomap_iter *iter, void *entry, unsigned long pfn,
unsigned long flags)
{
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
EXPORT_SYMBOL_GPL(dax_writeback_mapping_range);
static int dax_iomap_direct_access(const struct iomap *iomap, loff_t pos,
- size_t size, void **kaddr, pfn_t *pfnp)
+ size_t size, void **kaddr, unsigned long *pfnp)
{
pgoff_t pgoff = dax_iomap_pgoff(iomap, pos);
int id, rc = 0;
rc = -EINVAL;
if (PFN_PHYS(length) < size)
goto out;
- if (pfn_t_to_pfn(*pfnp) & (PHYS_PFN(size)-1))
+ if (*pfnp & (PHYS_PFN(size)-1))
goto out;
rc = 0;
{
struct inode *inode = iter->inode;
unsigned long vaddr = vmf->address;
- pfn_t pfn = pfn_to_pfn_t(my_zero_pfn(vaddr));
+ unsigned long pfn = my_zero_pfn(vaddr);
vm_fault_t ret;
*entry = dax_insert_entry(xas, vmf, iter, *entry, pfn, DAX_ZERO_PAGE);
- ret = vmf_insert_page_mkwrite(vmf, pfn_t_to_page(pfn), false);
+ ret = vmf_insert_page_mkwrite(vmf, pfn_to_page(pfn), false);
trace_dax_load_hole(inode, vmf, ret);
return ret;
}
struct folio *zero_folio;
spinlock_t *ptl;
pmd_t pmd_entry;
- pfn_t pfn;
+ unsigned long pfn;
zero_folio = mm_get_huge_zero_folio(vmf->vma->vm_mm);
if (unlikely(!zero_folio))
goto fallback;
- pfn = page_to_pfn_t(&zero_folio->page);
+ pfn = page_to_pfn(&zero_folio->page);
*entry = dax_insert_entry(xas, vmf, iter, *entry, pfn,
DAX_PMD | DAX_ZERO_PAGE);
* insertion for now and return the pfn so that caller can insert it after the
* fsync is done.
*/
-static vm_fault_t dax_fault_synchronous_pfnp(pfn_t *pfnp, pfn_t pfn)
+static vm_fault_t dax_fault_synchronous_pfnp(unsigned long *pfnp,
+ unsigned long pfn)
{
if (WARN_ON_ONCE(!pfnp))
return VM_FAULT_SIGBUS;
* @pmd: distinguish whether it is a pmd fault
*/
static vm_fault_t dax_fault_iter(struct vm_fault *vmf,
- const struct iomap_iter *iter, pfn_t *pfnp,
+ const struct iomap_iter *iter, unsigned long *pfnp,
struct xa_state *xas, void **entry, bool pmd)
{
const struct iomap *iomap = &iter->iomap;
unsigned long entry_flags = pmd ? DAX_PMD : 0;
struct folio *folio;
int ret, err = 0;
- pfn_t pfn;
+ unsigned long pfn;
void *kaddr;
if (!pmd && vmf->cow_page)
folio_ref_inc(folio);
if (pmd)
- ret = vmf_insert_folio_pmd(vmf, pfn_folio(pfn_t_to_pfn(pfn)),
- write);
+ ret = vmf_insert_folio_pmd(vmf, pfn_folio(pfn), write);
else
- ret = vmf_insert_page_mkwrite(vmf, pfn_t_to_page(pfn), write);
+ ret = vmf_insert_page_mkwrite(vmf, pfn_to_page(pfn), write);
folio_put(folio);
return ret;
}
-static vm_fault_t dax_iomap_pte_fault(struct vm_fault *vmf, pfn_t *pfnp,
+static vm_fault_t dax_iomap_pte_fault(struct vm_fault *vmf, unsigned long *pfnp,
int *iomap_errp, const struct iomap_ops *ops)
{
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
return false;
}
-static vm_fault_t dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp,
+static vm_fault_t dax_iomap_pmd_fault(struct vm_fault *vmf, unsigned long *pfnp,
const struct iomap_ops *ops)
{
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
return ret;
}
#else
-static vm_fault_t dax_iomap_pmd_fault(struct vm_fault *vmf, pfn_t *pfnp,
+static vm_fault_t dax_iomap_pmd_fault(struct vm_fault *vmf, unsigned long *pfnp,
const struct iomap_ops *ops)
{
return VM_FAULT_FALLBACK;
* successfully.
*/
vm_fault_t dax_iomap_fault(struct vm_fault *vmf, unsigned int order,
- pfn_t *pfnp, int *iomap_errp, const struct iomap_ops *ops)
+ unsigned long *pfnp, int *iomap_errp,
+ const struct iomap_ops *ops)
{
if (order == 0)
return dax_iomap_pte_fault(vmf, pfnp, iomap_errp, ops);
* This function inserts a writeable PTE or PMD entry into the page tables
* for an mmaped DAX file. It also marks the page cache entry as dirty.
*/
-static vm_fault_t
-dax_insert_pfn_mkwrite(struct vm_fault *vmf, pfn_t pfn, unsigned int order)
+static vm_fault_t dax_insert_pfn_mkwrite(struct vm_fault *vmf,
+ unsigned long pfn, unsigned int order)
{
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
XA_STATE_ORDER(xas, &mapping->i_pages, vmf->pgoff, order);
xas_set_mark(&xas, PAGECACHE_TAG_DIRTY);
dax_lock_entry(&xas, entry);
xas_unlock_irq(&xas);
- folio = pfn_folio(pfn_t_to_pfn(pfn));
+ folio = pfn_folio(pfn);
folio_ref_inc(folio);
if (order == 0)
ret = vmf_insert_page_mkwrite(vmf, &folio->page, true);
* table entry.
*/
vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf, unsigned int order,
- pfn_t pfn)
+ unsigned long pfn)
{
int err;
loff_t start = ((loff_t)vmf->pgoff) << PAGE_SHIFT;
bool write = (vmf->flags & FAULT_FLAG_WRITE) &&
(vmf->vma->vm_flags & VM_SHARED);
struct address_space *mapping = vmf->vma->vm_file->f_mapping;
- pfn_t pfn;
+ unsigned long pfn;
if (write) {
sb_start_pagefault(sb);
#include <linux/dax.h>
#include <linux/uio.h>
#include <linux/pagemap.h>
-#include <linux/pfn_t.h>
#include <linux/iomap.h>
#include <linux/interval_tree.h>
vm_fault_t ret;
struct inode *inode = file_inode(vmf->vma->vm_file);
struct super_block *sb = inode->i_sb;
- pfn_t pfn;
+ unsigned long pfn;
int error = 0;
struct fuse_conn *fc = get_fuse_conn(inode);
struct fuse_conn_dax *fcd = fc->dax;
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/group_cpus.h>
-#include <linux/pfn_t.h>
#include <linux/memremap.h>
#include <linux/module.h>
#include <linux/virtio.h>
*/
static long virtio_fs_direct_access(struct dax_device *dax_dev, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode,
- void **kaddr, pfn_t *pfn)
+ void **kaddr, unsigned long *pfn)
{
struct virtio_fs *fs = dax_get_private(dax_dev);
phys_addr_t offset = PFN_PHYS(pgoff);
if (kaddr)
*kaddr = fs->window_kaddr + offset;
if (pfn)
- *pfn = phys_to_pfn_t(fs->window_phys_addr + offset, 0);
+ *pfn = fs->window_phys_addr + offset;
return nr_pages > max_nr_pages ? max_nr_pages : nr_pages;
}
bool write_fault)
{
vm_fault_t ret;
- pfn_t pfn;
+ unsigned long pfn;
if (!IS_ENABLED(CONFIG_FS_DAX)) {
ASSERT(0);
* number of pages available for DAX at that pfn.
*/
long (*direct_access)(struct dax_device *, pgoff_t, long,
- enum dax_access_mode, void **, pfn_t *);
+ enum dax_access_mode, void **, unsigned long *);
/* zero_page_range: required operation. Zero page range */
int (*zero_page_range)(struct dax_device *, pgoff_t, size_t);
/*
bool dax_alive(struct dax_device *dax_dev);
void *dax_get_private(struct dax_device *dax_dev);
long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages,
- enum dax_access_mode mode, void **kaddr, pfn_t *pfn);
+ enum dax_access_mode mode, void **kaddr, unsigned long *pfn);
size_t dax_copy_from_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
size_t bytes, struct iov_iter *i);
size_t dax_copy_to_iter(struct dax_device *dax_dev, pgoff_t pgoff, void *addr,
ssize_t dax_iomap_rw(struct kiocb *iocb, struct iov_iter *iter,
const struct iomap_ops *ops);
vm_fault_t dax_iomap_fault(struct vm_fault *vmf, unsigned int order,
- pfn_t *pfnp, int *errp, const struct iomap_ops *ops);
+ unsigned long *pfnp, int *errp,
+ const struct iomap_ops *ops);
vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf,
- unsigned int order, pfn_t pfn);
+ unsigned int order, unsigned long pfn);
int dax_delete_mapping_entry(struct address_space *mapping, pgoff_t index);
void dax_delete_mapping_range(struct address_space *mapping,
loff_t start, loff_t end);
*/
typedef long (*dm_dax_direct_access_fn) (struct dm_target *ti, pgoff_t pgoff,
long nr_pages, enum dax_access_mode node, void **kaddr,
- pfn_t *pfn);
+ unsigned long *pfn);
typedef int (*dm_dax_zero_page_range_fn)(struct dm_target *ti, pgoff_t pgoff,
size_t nr_pages);
pmd_t *pmd, unsigned long addr, pgprot_t newprot,
unsigned long cp_flags);
-vm_fault_t vmf_insert_pfn_pmd(struct vm_fault *vmf, pfn_t pfn, bool write);
-vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, pfn_t pfn, bool write);
+vm_fault_t vmf_insert_pfn_pmd(struct vm_fault *vmf, unsigned long pfn,
+ bool write);
+vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, unsigned long pfn,
+ bool write);
vm_fault_t vmf_insert_folio_pmd(struct vm_fault *vmf, struct folio *folio,
bool write);
vm_fault_t vmf_insert_folio_pud(struct vm_fault *vmf, struct folio *folio,
vm_fault_t vmf_insert_pfn_prot(struct vm_area_struct *vma, unsigned long addr,
unsigned long pfn, pgprot_t pgprot);
vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
- pfn_t pfn);
+ unsigned long pfn);
vm_fault_t vmf_insert_mixed_mkwrite(struct vm_area_struct *vma,
- unsigned long addr, pfn_t pfn);
+ unsigned long addr, unsigned long pfn);
int vm_iomap_memory(struct vm_area_struct *vma, phys_addr_t start, unsigned long len);
static inline vm_fault_t vmf_insert_page(struct vm_area_struct *vma,
#ifndef __ASSEMBLY__
#include <linux/types.h>
-
-/*
- * pfn_t: encapsulates a page-frame number that is optionally backed
- * by memmap (struct page). Whether a pfn_t has a 'struct page'
- * backing is indicated by flags in the high bits of the value.
- */
-typedef struct {
- u64 val;
-} pfn_t;
#endif
#define PFN_ALIGN(x) (((unsigned long)(x) + (PAGE_SIZE - 1)) & PAGE_MASK)
+++ /dev/null
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _LINUX_PFN_T_H_
-#define _LINUX_PFN_T_H_
-#include <linux/mm.h>
-
-/*
- * PFN_FLAGS_MASK - mask of all the possible valid pfn_t flags
- */
-#define PFN_FLAGS_MASK (((u64) (~PAGE_MASK)) << (BITS_PER_LONG_LONG - PAGE_SHIFT))
-
-#define PFN_FLAGS_TRACE \
- { }
-
-static inline pfn_t __pfn_to_pfn_t(unsigned long pfn, u64 flags)
-{
- pfn_t pfn_t = { .val = pfn | (flags & PFN_FLAGS_MASK), };
-
- return pfn_t;
-}
-
-/* a default pfn to pfn_t conversion assumes that @pfn is pfn_valid() */
-static inline pfn_t pfn_to_pfn_t(unsigned long pfn)
-{
- return __pfn_to_pfn_t(pfn, 0);
-}
-
-static inline pfn_t phys_to_pfn_t(phys_addr_t addr, u64 flags)
-{
- return __pfn_to_pfn_t(addr >> PAGE_SHIFT, flags);
-}
-
-static inline bool pfn_t_has_page(pfn_t pfn)
-{
- return true;
-}
-
-static inline unsigned long pfn_t_to_pfn(pfn_t pfn)
-{
- return pfn.val & ~PFN_FLAGS_MASK;
-}
-
-static inline struct page *pfn_t_to_page(pfn_t pfn)
-{
- if (pfn_t_has_page(pfn))
- return pfn_to_page(pfn_t_to_pfn(pfn));
- return NULL;
-}
-
-static inline phys_addr_t pfn_t_to_phys(pfn_t pfn)
-{
- return PFN_PHYS(pfn_t_to_pfn(pfn));
-}
-
-static inline pfn_t page_to_pfn_t(struct page *page)
-{
- return pfn_to_pfn_t(page_to_pfn(page));
-}
-
-static inline int pfn_t_valid(pfn_t pfn)
-{
- return pfn_valid(pfn_t_to_pfn(pfn));
-}
-
-#ifdef CONFIG_MMU
-static inline pte_t pfn_t_pte(pfn_t pfn, pgprot_t pgprot)
-{
- return pfn_pte(pfn_t_to_pfn(pfn), pgprot);
-}
-#endif
-
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-static inline pmd_t pfn_t_pmd(pfn_t pfn, pgprot_t pgprot)
-{
- return pfn_pmd(pfn_t_to_pfn(pfn), pgprot);
-}
-
-#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
-static inline pud_t pfn_t_pud(pfn_t pfn, pgprot_t pgprot)
-{
- return pfn_pud(pfn_t_to_pfn(pfn), pgprot);
-}
-#endif
-#endif
-
-#endif /* _LINUX_PFN_T_H_ */
#include <linux/mman.h>
#include <linux/mm_types.h>
#include <linux/module.h>
-#include <linux/pfn_t.h>
#include <linux/printk.h>
#include <linux/pgtable.h>
#include <linux/random.h>
#include <linux/mm_types.h>
#include <linux/khugepaged.h>
#include <linux/freezer.h>
-#include <linux/pfn_t.h>
#include <linux/mman.h>
#include <linux/memremap.h>
#include <linux/pagemap.h>
struct folio_or_pfn {
union {
struct folio *folio;
- pfn_t pfn;
+ unsigned long pfn;
};
bool is_folio;
};
if (!pmd_none(*pmd)) {
const unsigned long pfn = fop.is_folio ? folio_pfn(fop.folio) :
- pfn_t_to_pfn(fop.pfn);
+ fop.pfn;
if (write) {
if (pmd_pfn(*pmd) != pfn) {
folio_add_file_rmap_pmd(fop.folio, &fop.folio->page, vma);
add_mm_counter(mm, mm_counter_file(fop.folio), HPAGE_PMD_NR);
} else {
- entry = pmd_mkhuge(pfn_t_pmd(fop.pfn, prot));
+ entry = pmd_mkhuge(pfn_pmd(fop.pfn, prot));
entry = pmd_mkspecial(entry);
}
if (write) {
*
* Return: vm_fault_t value.
*/
-vm_fault_t vmf_insert_pfn_pmd(struct vm_fault *vmf, pfn_t pfn, bool write)
+vm_fault_t vmf_insert_pfn_pmd(struct vm_fault *vmf, unsigned long pfn,
+ bool write)
{
unsigned long addr = vmf->address & PMD_MASK;
struct vm_area_struct *vma = vmf->vma;
return VM_FAULT_OOM;
}
- pfnmap_setup_cachemode_pfn(pfn_t_to_pfn(pfn), &pgprot);
+ pfnmap_setup_cachemode_pfn(pfn, &pgprot);
ptl = pmd_lock(vma->vm_mm, vmf->pmd);
error = insert_pmd(vma, addr, vmf->pmd, fop, pgprot, write,
if (!pud_none(*pud)) {
const unsigned long pfn = fop.is_folio ? folio_pfn(fop.folio) :
- pfn_t_to_pfn(fop.pfn);
+ fop.pfn;
if (write) {
if (WARN_ON_ONCE(pud_pfn(*pud) != pfn))
folio_add_file_rmap_pud(fop.folio, &fop.folio->page, vma);
add_mm_counter(mm, mm_counter_file(fop.folio), HPAGE_PUD_NR);
} else {
- entry = pud_mkhuge(pfn_t_pud(fop.pfn, prot));
+ entry = pud_mkhuge(pfn_pud(fop.pfn, prot));
entry = pud_mkspecial(entry);
}
if (write) {
*
* Return: vm_fault_t value.
*/
-vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, pfn_t pfn, bool write)
+vm_fault_t vmf_insert_pfn_pud(struct vm_fault *vmf, unsigned long pfn,
+ bool write)
{
unsigned long addr = vmf->address & PUD_MASK;
struct vm_area_struct *vma = vmf->vma;
if (addr < vma->vm_start || addr >= vma->vm_end)
return VM_FAULT_SIGBUS;
- pfnmap_setup_cachemode_pfn(pfn_t_to_pfn(pfn), &pgprot);
+ pfnmap_setup_cachemode_pfn(pfn, &pgprot);
ptl = pud_lock(vma->vm_mm, vmf->pud);
insert_pud(vma, addr, vmf->pud, fop, pgprot, write);
#include <linux/export.h>
#include <linux/delayacct.h>
#include <linux/init.h>
-#include <linux/pfn_t.h>
#include <linux/writeback.h>
#include <linux/memcontrol.h>
#include <linux/mmu_notifier.h>
EXPORT_SYMBOL(vm_map_pages_zero);
static vm_fault_t insert_pfn(struct vm_area_struct *vma, unsigned long addr,
- pfn_t pfn, pgprot_t prot, bool mkwrite)
+ unsigned long pfn, pgprot_t prot, bool mkwrite)
{
struct mm_struct *mm = vma->vm_mm;
pte_t *pte, entry;
* allocation and mapping invalidation so just skip the
* update.
*/
- if (pte_pfn(entry) != pfn_t_to_pfn(pfn)) {
+ if (pte_pfn(entry) != pfn) {
WARN_ON_ONCE(!is_zero_pfn(pte_pfn(entry)));
goto out_unlock;
}
}
/* Ok, finally just insert the thing.. */
- entry = pte_mkspecial(pfn_t_pte(pfn, prot));
+ entry = pte_mkspecial(pfn_pte(pfn, prot));
if (mkwrite) {
entry = pte_mkyoung(entry);
pfnmap_setup_cachemode_pfn(pfn, &pgprot);
- return insert_pfn(vma, addr, __pfn_to_pfn_t(pfn, 0), pgprot,
- false);
+ return insert_pfn(vma, addr, pfn, pgprot, false);
}
EXPORT_SYMBOL(vmf_insert_pfn_prot);
}
EXPORT_SYMBOL(vmf_insert_pfn);
-static bool vm_mixed_ok(struct vm_area_struct *vma, pfn_t pfn, bool mkwrite)
+static bool vm_mixed_ok(struct vm_area_struct *vma, unsigned long pfn,
+ bool mkwrite)
{
- if (unlikely(is_zero_pfn(pfn_t_to_pfn(pfn))) &&
+ if (unlikely(is_zero_pfn(pfn)) &&
(mkwrite || !vm_mixed_zeropage_allowed(vma)))
return false;
/* these checks mirror the abort conditions in vm_normal_page */
if (vma->vm_flags & VM_MIXEDMAP)
return true;
- if (is_zero_pfn(pfn_t_to_pfn(pfn)))
+ if (is_zero_pfn(pfn))
return true;
return false;
}
static vm_fault_t __vm_insert_mixed(struct vm_area_struct *vma,
- unsigned long addr, pfn_t pfn, bool mkwrite)
+ unsigned long addr, unsigned long pfn, bool mkwrite)
{
pgprot_t pgprot = vma->vm_page_prot;
int err;
if (addr < vma->vm_start || addr >= vma->vm_end)
return VM_FAULT_SIGBUS;
- pfnmap_setup_cachemode_pfn(pfn_t_to_pfn(pfn), &pgprot);
+ pfnmap_setup_cachemode_pfn(pfn, &pgprot);
- if (!pfn_modify_allowed(pfn_t_to_pfn(pfn), pgprot))
+ if (!pfn_modify_allowed(pfn, pgprot))
return VM_FAULT_SIGBUS;
/*
* than insert_pfn). If a zero_pfn were inserted into a VM_MIXEDMAP
* without pte special, it would there be refcounted as a normal page.
*/
- if (!IS_ENABLED(CONFIG_ARCH_HAS_PTE_SPECIAL) && pfn_t_valid(pfn)) {
+ if (!IS_ENABLED(CONFIG_ARCH_HAS_PTE_SPECIAL) && pfn_valid(pfn)) {
struct page *page;
/*
* regardless of whether the caller specified flags that
* result in pfn_t_has_page() == false.
*/
- page = pfn_to_page(pfn_t_to_pfn(pfn));
+ page = pfn_to_page(pfn);
err = insert_page(vma, addr, page, pgprot, mkwrite);
} else {
return insert_pfn(vma, addr, pfn, pgprot, mkwrite);
EXPORT_SYMBOL_GPL(vmf_insert_page_mkwrite);
vm_fault_t vmf_insert_mixed(struct vm_area_struct *vma, unsigned long addr,
- pfn_t pfn)
+ unsigned long pfn)
{
return __vm_insert_mixed(vma, addr, pfn, false);
}
* the same entry was actually inserted.
*/
vm_fault_t vmf_insert_mixed_mkwrite(struct vm_area_struct *vma,
- unsigned long addr, pfn_t pfn)
+ unsigned long addr, unsigned long pfn)
{
return __vm_insert_mixed(vma, addr, pfn, true);
}
#include <linux/kasan.h>
#include <linux/memory_hotplug.h>
#include <linux/memremap.h>
-#include <linux/pfn_t.h>
#include <linux/swap.h>
#include <linux/mm.h>
#include <linux/mmzone.h>
#include <linux/compat.h>
#include <linux/hugetlb.h>
#include <linux/gfp.h>
-#include <linux/pfn_t.h>
#include <linux/page_idle.h>
#include <linux/page_owner.h>
#include <linux/sched/mm.h>
long __pmem_direct_access(struct pmem_device *pmem, pgoff_t pgoff,
long nr_pages, enum dax_access_mode mode, void **kaddr,
- pfn_t *pfn)
+ unsigned long *pfn)
{
resource_size_t offset = PFN_PHYS(pgoff) + pmem->data_offset;
*kaddr = pmem->virt_addr + offset;
page = vmalloc_to_page(pmem->virt_addr + offset);
if (pfn)
- *pfn = page_to_pfn_t(page);
+ *pfn = page_to_pfn(page);
pr_debug_ratelimited("%s: pmem: %p pgoff: %#lx pfn: %#lx\n",
__func__, pmem, pgoff, page_to_pfn(page));
if (kaddr)
*kaddr = pmem->virt_addr + offset;
if (pfn)
- *pfn = phys_to_pfn_t(pmem->phys_addr + offset, pmem->pfn_flags);
+ *pfn = PHYS_PFN(pmem->phys_addr + offset);
/*
* If badblocks are present, limit known good range to the
#include <linux/ioport.h>
#include <linux/module.h>
#include <linux/types.h>
-#include <linux/pfn_t.h>
#include <linux/acpi.h>
#include <linux/io.h>
#include <linux/mm.h>
}
EXPORT_SYMBOL_GPL(__wrap_devm_memremap_pages);
-pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags)
-{
- return phys_to_pfn_t(addr, flags);
-}
-EXPORT_SYMBOL(__wrap_phys_to_pfn_t);
-
void *__wrap_memremap(resource_size_t offset, size_t size,
unsigned long flags)
{
void *__wrap_devm_memremap(struct device *dev, resource_size_t offset,
size_t size, unsigned long flags);
void *__wrap_devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap);
-pfn_t __wrap_phys_to_pfn_t(phys_addr_t addr, unsigned long flags);
void *__wrap_memremap(resource_size_t offset, size_t size,
unsigned long flags);
void __wrap_devm_memunmap(struct device *dev, void *addr);
projects / thirdparty / linux.git / commitdiff
