mm/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for the linux memory manager.
   4 #
   5
   6 KASAN_SANITIZE_slab_common.o := n
   7 KASAN_SANITIZE_slub.o := n
   8 KASAN_SANITIZE_kmemleak.o := n
   9 KCSAN_SANITIZE_kmemleak.o := n
  10
  11 # These produce frequent data race reports: most of them are due to races on
  12 # the same word but accesses to different bits of that word. Re-enable KCSAN
  13 # for these when we have more consensus on what to do about them.
  14 KCSAN_SANITIZE_slab_common.o := n
  15 KCSAN_SANITIZE_slub.o := n
  16 KCSAN_SANITIZE_page_alloc.o := n
  17 # But enable explicit instrumentation for memory barriers.
  18 KCSAN_INSTRUMENT_BARRIERS := y
  19
  20 # These files are disabled because they produce non-interesting and/or
  21 # flaky coverage that is not a function of syscall inputs. E.g. slab is out of
  22 # free pages, or a task is migrated between nodes.
  23 KCOV_INSTRUMENT_slab_common.o := n
  24 KCOV_INSTRUMENT_slub.o := n
  25 KCOV_INSTRUMENT_page_alloc.o := n
  26 KCOV_INSTRUMENT_debug-pagealloc.o := n
  27 KCOV_INSTRUMENT_kmemleak.o := n
  28 KCOV_INSTRUMENT_memcontrol.o := n
  29 KCOV_INSTRUMENT_memcontrol-v1.o := n
  30 KCOV_INSTRUMENT_mmzone.o := n
  31 KCOV_INSTRUMENT_vmstat.o := n
  32 KCOV_INSTRUMENT_failslab.o := n
  33
  34 CFLAGS_init-mm.o += -Wno-override-init
  35
  36 mmu-y                   := nommu.o
  37 mmu-$(CONFIG_MMU)       := highmem.o memory.o mincore.o \
  38                            mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
  39                            msync.o page_vma_mapped.o pagewalk.o \
  40                            pgtable-generic.o rmap.o vmalloc.o vma.o
  41
  42
  43 ifdef CONFIG_CROSS_MEMORY_ATTACH
  44 mmu-$(CONFIG_MMU)       += process_vm_access.o
  45 endif
  46
  47 ifdef CONFIG_64BIT
  48 mmu-$(CONFIG_MMU)       += mseal.o
  49 endif
  50
  51 obj-y                   := filemap.o mempool.o oom_kill.o fadvise.o \
  52                            maccess.o page-writeback.o folio-compat.o \
  53                            readahead.o swap.o truncate.o vmscan.o shrinker.o \
  54                            shmem.o util.o mmzone.o vmstat.o backing-dev.o \
  55                            mm_init.o percpu.o slab_common.o \
  56                            compaction.o show_mem.o \
  57                            interval_tree.o list_lru.o workingset.o \
  58                            debug.o gup.o mmap_lock.o $(mmu-y)
  59
  60 # Give 'page_alloc' its own module-parameter namespace
  61 page-alloc-y := page_alloc.o
  62 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
  63
  64 # Give 'memory_hotplug' its own module-parameter namespace
  65 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
  66
  67 obj-y += page-alloc.o
  68 obj-y += init-mm.o
  69 obj-y += memblock.o
  70 obj-y += $(memory-hotplug-y)
  71 obj-y += slub.o
  72
  73 ifdef CONFIG_MMU
  74         obj-$(CONFIG_ADVISE_SYSCALLS)   += madvise.o
  75 endif
  76
  77 obj-$(CONFIG_SWAP)      += page_io.o swap_state.o swapfile.o swap_slots.o
  78 obj-$(CONFIG_ZSWAP)     += zswap.o
  79 obj-$(CONFIG_HAS_DMA)   += dmapool.o
  80 obj-$(CONFIG_HUGETLBFS) += hugetlb.o
  81 obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP)     += hugetlb_vmemmap.o
  82 obj-$(CONFIG_NUMA)      += mempolicy.o
  83 obj-$(CONFIG_SPARSEMEM) += sparse.o
  84 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
  85 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
  86 obj-$(CONFIG_KSM) += ksm.o
  87 obj-$(CONFIG_PAGE_POISONING) += page_poison.o
  88 obj-$(CONFIG_KASAN)     += kasan/
  89 obj-$(CONFIG_KFENCE) += kfence/
  90 obj-$(CONFIG_KMSAN)     += kmsan/
  91 obj-$(CONFIG_FAILSLAB) += failslab.o
  92 obj-$(CONFIG_FAIL_PAGE_ALLOC) += fail_page_alloc.o
  93 obj-$(CONFIG_MEMTEST)           += memtest.o
  94 obj-$(CONFIG_MIGRATION) += migrate.o
  95 obj-$(CONFIG_NUMA) += memory-tiers.o
  96 obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o
  97 obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
  98 obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
  99 obj-$(CONFIG_MEMCG_V1) += memcontrol-v1.o
 100 obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
 101 ifdef CONFIG_SWAP
 102 obj-$(CONFIG_MEMCG) += swap_cgroup.o
 103 endif
 104 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
 105 obj-$(CONFIG_GUP_TEST) += gup_test.o
 106 obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o
 107 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
 108 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
 109 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
 110 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
 111 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
 112 obj-$(CONFIG_PAGE_OWNER) += page_owner.o
 113 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
 114 obj-$(CONFIG_ZPOOL)     += zpool.o
 115 obj-$(CONFIG_ZBUD)      += zbud.o
 116 obj-$(CONFIG_ZSMALLOC)  += zsmalloc.o
 117 obj-$(CONFIG_Z3FOLD)    += z3fold.o
 118 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
 119 obj-$(CONFIG_CMA)       += cma.o
 120 obj-$(CONFIG_NUMA) += numa.o
 121 obj-$(CONFIG_NUMA_MEMBLKS) += numa_memblks.o
 122 obj-$(CONFIG_NUMA_EMU) += numa_emulation.o
 123 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
 124 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
 125 obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o
 126 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
 127 obj-$(CONFIG_SECRETMEM) += secretmem.o
 128 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
 129 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
 130 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
 131 obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_alloc.o
 132 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
 133 obj-$(CONFIG_DAMON) += damon/
 134 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
 135 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
 136 obj-$(CONFIG_ZONE_DEVICE) += memremap.o
 137 obj-$(CONFIG_HMM_MIRROR) += hmm.o
 138 obj-$(CONFIG_MEMFD_CREATE) += memfd.o
 139 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
 140 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o
 141 obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
 142 obj-$(CONFIG_IO_MAPPING) += io-mapping.o
 143 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o
 144 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o
 145 obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o
 146 obj-$(CONFIG_EXECMEM) += execmem.o
 147 obj-$(CONFIG_TMPFS_QUOTA) += shmem_quota.o