mm/treewide: remove pXd_huge()

This API is not used anymore, drop it for the whole tree.

Link: https://lkml.kernel.org/r/20240318200404.448346-13-peterx@redhat.com
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Andreas Larsson <andreas@gaisler.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Fabio Estevam <festevam@denx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Lucas Stach <l.stach@pengutronix.de>
Cc: Mark Salter <msalter@redhat.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index 71b858c9b10c47cf2fd5ab1227fa74e159a51256..1779e12db0850de9af633e54372d8e6ea01472bc 100644 (file)
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -21,7 +21,6 @@ KASAN_SANITIZE_physaddr.o     := n
 obj-$(CONFIG_DEBUG_VIRTUAL)    += physaddr.o
 
 obj-$(CONFIG_ALIGNMENT_TRAP)   += alignment.o
-obj-$(CONFIG_HUGETLB_PAGE)     += hugetlbpage.o
 obj-$(CONFIG_ARM_PV_FIXUP)     += pv-fixup-asm.o
 
 obj-$(CONFIG_CPU_ABRT_NOMMU)   += abort-nommu.o

diff --git a/arch/arm/mm/hugetlbpage.c b/arch/arm/mm/hugetlbpage.c
deleted file mode 100644 (file)
index c2fa643..0000000
--- a/arch/arm/mm/hugetlbpage.c
+++ /dev/null
@@ -1,29 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * arch/arm/mm/hugetlbpage.c
- *
- * Copyright (C) 2012 ARM Ltd.
- *
- * Based on arch/x86/include/asm/hugetlb.h and Bill Carson's patches
- */
-
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/hugetlb.h>
-#include <linux/pagemap.h>
-#include <linux/err.h>
-#include <linux/sysctl.h>
-#include <asm/mman.h>
-#include <asm/tlb.h>
-#include <asm/tlbflush.h>
-
-int pud_huge(pud_t pud)
-{
-       return 0;
-}
-
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}

diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index f494fc31201f1b4b6166717f1b9aa5179487576d..ca58210d6c07dac172ca3cef976cc4dfa8a21893 100644 (file)
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -79,16 +79,6 @@ bool arch_hugetlb_migration_supported(struct hstate *h)
 }
 #endif
 
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
-int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
 static int find_num_contig(struct mm_struct *mm, unsigned long addr,
                           pte_t *ptep, size_t *pgsize)
 {

diff --git a/arch/loongarch/mm/hugetlbpage.c b/arch/loongarch/mm/hugetlbpage.c
index a4e78e74aa217b0650a2ec146d27760102057e1a..12222c56cb594829f6b4e1601feb36a19e99e584 100644 (file)
--- a/arch/loongarch/mm/hugetlbpage.c
+++ b/arch/loongarch/mm/hugetlbpage.c
@@ -50,16 +50,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
        return (pte_t *) pmd;
 }
 
-int pmd_huge(pmd_t pmd)
-{
-       return (pmd_val(pmd) & _PAGE_HUGE) != 0;
-}
-
-int pud_huge(pud_t pud)
-{
-       return (pud_val(pud) & _PAGE_HUGE) != 0;
-}
-
 uint64_t pmd_to_entrylo(unsigned long pmd_val)
 {
        uint64_t val;

diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index 0e196650f4f488bba1474fe3d2710f8ebc0c42e6..92b7591aac2acdd65738cce6f3fca38801457a06 100644 (file)
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -129,7 +129,7 @@ static inline int pmd_none(pmd_t pmd)
 static inline int pmd_bad(pmd_t pmd)
 {
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
-       /* pmd_huge(pmd) but inline */
+       /* pmd_leaf(pmd) but inline */
        if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
                return 0;
 #endif

diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 20ca48c1b6063e7ab2acf117c05cc24eaebe52ba..7c28510b3768f06c91878655f867f3679561e4c5 100644 (file)
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -245,7 +245,7 @@ static inline int pmd_none(pmd_t pmd)
 static inline int pmd_bad(pmd_t pmd)
 {
 #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT
-       /* pmd_huge(pmd) but inline */
+       /* pmd_leaf(pmd) but inline */
        if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
                return 0;
 #endif

diff --git a/arch/mips/mm/hugetlbpage.c b/arch/mips/mm/hugetlbpage.c
index 7eaff5b078739b85560bba9187bf8bbf39b77819..0b9e15555b59bbea4efb7bdd8ba27408c43ac15e 100644 (file)
--- a/arch/mips/mm/hugetlbpage.c
+++ b/arch/mips/mm/hugetlbpage.c
@@ -57,13 +57,3 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr,
        }
        return (pte_t *) pmd;
 }
-
-int pmd_huge(pmd_t pmd)
-{
-       return (pmd_val(pmd) & _PAGE_HUGE) != 0;
-}
-
-int pud_huge(pud_t pud)
-{
-       return (pud_val(pud) & _PAGE_HUGE) != 0;
-}

diff --git a/arch/parisc/mm/hugetlbpage.c b/arch/parisc/mm/hugetlbpage.c
index a9f7e21f66567aad1d7244a47664c356346097aa..0356199bd9e7e76fb01062c79acf6986994941eb 100644 (file)
--- a/arch/parisc/mm/hugetlbpage.c
+++ b/arch/parisc/mm/hugetlbpage.c
@@ -180,14 +180,3 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
        }
        return changed;
 }
-
-
-int pmd_huge(pmd_t pmd)
-{
-       return 0;
-}
-
-int pud_huge(pud_t pud)
-{
-       return 0;
-}

diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
index 92545981bb49d83edc67643ea3fec800fb00f28f..baf934578c3a5e9814c43cf5c8536557ceecef51 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable-4k.h
@@ -6,16 +6,6 @@
  */
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_HUGETLB_PAGE
-static inline int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
-static inline int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
 /*
  * With radix , we have hugepage ptes in the pud and pmd entries. We don't
  * need to setup hugepage directory for them. Our pte and page directory format

diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
index ced7ee8b42fc354b48cc9d03ebbd295433024246..6ac73da7b80e3cf01287044c764a29396a8c582a 100644 (file)
--- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h
@@ -4,31 +4,6 @@
 
 #ifndef __ASSEMBLY__
 #ifdef CONFIG_HUGETLB_PAGE
-/*
- * We have PGD_INDEX_SIZ = 12 and PTE_INDEX_SIZE = 8, so that we can have
- * 16GB hugepage pte in PGD and 16MB hugepage pte at PMD;
- *
- * Defined in such a way that we can optimize away code block at build time
- * if CONFIG_HUGETLB_PAGE=n.
- *
- * returns true for pmd migration entries, THP, devmap, hugetlb
- * But compile time dependent on CONFIG_HUGETLB_PAGE
- */
-static inline int pmd_huge(pmd_t pmd)
-{
-       /*
-        * leaf pte for huge page
-        */
-       return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
-}
-
-static inline int pud_huge(pud_t pud)
-{
-       /*
-        * leaf pte for huge page
-        */
-       return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
-}
 
 /*
  * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't

diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index 427db14292c9ec6720b46d7a2f6025153a024260..f5f39d4f03c821c06f407d4b0fafc189567a5391 100644 (file)
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -351,16 +351,6 @@ static inline int hugepd_ok(hugepd_t hpd)
 #endif
 }
 
-static inline int pmd_huge(pmd_t pmd)
-{
-       return 0;
-}
-
-static inline int pud_huge(pud_t pud)
-{
-       return 0;
-}
-
 #define is_hugepd(hpd)         (hugepd_ok(hpd))
 #endif
 

diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c
index 5ef2a6891158a6d59de8f36b4f4d98cf3ad6eb2a..0ebd968b33c9979d5627ec54a506293428bc7708 100644 (file)
--- a/arch/riscv/mm/hugetlbpage.c
+++ b/arch/riscv/mm/hugetlbpage.c
@@ -399,16 +399,6 @@ static bool is_napot_size(unsigned long size)
 
 #endif /*CONFIG_RISCV_ISA_SVNAPOT*/
 
-int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
 static bool __hugetlb_valid_size(unsigned long size)
 {
        if (size == HPAGE_SIZE)

diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index c2e8242bd15dd0afb6454e9e71e9ca5ef969ba13..ca43b6fce71cf99392734c2d15348582ce330959 100644 (file)
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -233,16 +233,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
        return (pte_t *) pmdp;
 }
 
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
-int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
 bool __init arch_hugetlb_valid_size(unsigned long size)
 {
        if (MACHINE_HAS_EDAT1 && size == PMD_SIZE)

diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 6cb0ad73dbb9e38fbde09534cab964c166f5e1f4..ff209b55285ad234d85e8c80fa8b8d54e466c399 100644 (file)
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -70,13 +70,3 @@ pte_t *huge_pte_offset(struct mm_struct *mm,
 
        return pte;
 }
-
-int pmd_huge(pmd_t pmd)
-{
-       return 0;
-}
-
-int pud_huge(pud_t pud)
-{
-       return 0;
-}

diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 532143f1bf6348b1d6d3d272abb01c14fcb6155b..8ed5bdf95d253b297722dc173f795c1f02ac5378 100644 (file)
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -407,16 +407,6 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
        return entry;
 }
 
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
-int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
 static void hugetlb_free_pte_range(struct mmu_gather *tlb, pmd_t *pmd,
                           unsigned long addr)
 {

diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 8362953a24ce28cfd59ac70d9b5748260e8e2d3a..dab6db288e5b21dc41e9870696c67f6335fa926f 100644 (file)
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -19,22 +19,6 @@
 #include <asm/tlbflush.h>
 #include <asm/elf.h>
 
-/*
- * pmd_huge() returns 1 if @pmd is hugetlb related entry.
- */
-int pmd_huge(pmd_t pmd)
-{
-       return pmd_leaf(pmd);
-}
-
-/*
- * pud_huge() returns 1 if @pud is hugetlb related entry.
- */
-int pud_huge(pud_t pud)
-{
-       return pud_leaf(pud);
-}
-
 #ifdef CONFIG_HUGETLB_PAGE
 static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file,
                unsigned long addr, unsigned long len,

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 77b30a8c6076b6cf536baf490c613be9a70d8c61..300de33c6fde06a56fd1a5a72baffb06d983e5af 100644 (file)
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -272,13 +272,9 @@ void hugetlb_vma_unlock_write(struct vm_area_struct *vma);
 int hugetlb_vma_trylock_write(struct vm_area_struct *vma);
 void hugetlb_vma_assert_locked(struct vm_area_struct *vma);
 void hugetlb_vma_lock_release(struct kref *kref);
-
-int pmd_huge(pmd_t pmd);
-int pud_huge(pud_t pud);
 long hugetlb_change_protection(struct vm_area_struct *vma,
                unsigned long address, unsigned long end, pgprot_t newprot,
                unsigned long cp_flags);
-
 bool is_hugetlb_entry_migration(pte_t pte);
 bool is_hugetlb_entry_hwpoisoned(pte_t pte);
 void hugetlb_unshare_all_pmds(struct vm_area_struct *vma);
@@ -399,16 +395,6 @@ static inline void hugetlb_vma_assert_locked(struct vm_area_struct *vma)
 {
 }
 
-static inline int pmd_huge(pmd_t pmd)
-{
-       return 0;
-}
-
-static inline int pud_huge(pud_t pud)
-{
-       return 0;
-}
-
 static inline int is_hugepage_only_range(struct mm_struct *mm,
                                        unsigned long addr, unsigned long len)
 {
@@ -493,16 +479,6 @@ static inline vm_fault_t hugetlb_fault(struct mm_struct *mm,
 static inline void hugetlb_unshare_all_pmds(struct vm_area_struct *vma) { }
 
 #endif /* !CONFIG_HUGETLB_PAGE */
-/*
- * hugepages at page global directory. If arch support
- * hugepages at pgd level, they need to define this.
- */
-#ifndef pgd_huge
-#define pgd_huge(x)    0
-#endif
-#ifndef p4d_huge
-#define p4d_huge(x)    0
-#endif
 
 #ifndef pgd_write
 static inline int pgd_write(pgd_t pgd)