LXR linux/mm/Makefile

   1# SPDX-License-Identifier: GPL-2.0
   2#
   3# Makefile for the linux memory manager.
   4#
   5
   6KASAN_SANITIZE_slab_common.o := n
   7KASAN_SANITIZE_slub.o := n
   8KASAN_SANITIZE_kmemleak.o := n
   9KCSAN_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.
  14KCSAN_SANITIZE_slab_common.o := n
  15KCSAN_SANITIZE_slub.o := n
  16KCSAN_SANITIZE_page_alloc.o := n
  17# But enable explicit instrumentation for memory barriers.
  18KCSAN_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.
  23KCOV_INSTRUMENT_slab_common.o := n
  24KCOV_INSTRUMENT_slub.o := n
  25KCOV_INSTRUMENT_page_alloc.o := n
  26KCOV_INSTRUMENT_debug-pagealloc.o := n
  27KCOV_INSTRUMENT_kmemleak.o := n
  28KCOV_INSTRUMENT_memcontrol.o := n
  29KCOV_INSTRUMENT_memcontrol-v1.o := n
  30KCOV_INSTRUMENT_mmzone.o := n
  31KCOV_INSTRUMENT_vmstat.o := n
  32KCOV_INSTRUMENT_failslab.o := n
  33
  34CFLAGS_init-mm.o += -Wno-override-init
  35
  36mmu-y                   := nommu.o
  37mmu-$(CONFIG_MMU)       := highmem.o memory.o mincore.o \
  38                           mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
  39                           msync.o page_vma_mapped.o pagewalk.o \
  40                           pgtable-generic.o rmap.o vmalloc.o vma.o vma_exec.o
  41
  42
  43ifdef CONFIG_CROSS_MEMORY_ATTACH
  44mmu-$(CONFIG_MMU)       += process_vm_access.o
  45endif
  46
  47ifdef CONFIG_64BIT
  48mmu-$(CONFIG_MMU)       += mseal.o
  49endif
  50
  51obj-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 vma_init.o $(mmu-y)
  59
  60# Give 'page_alloc' its own module-parameter namespace
  61page-alloc-y := page_alloc.o
  62page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
  63
  64# Give 'memory_hotplug' its own module-parameter namespace
  65memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
  66
  67obj-y += page-alloc.o
  68obj-y += page_frag_cache.o
  69obj-y += init-mm.o
  70obj-y += memblock.o
  71obj-y += $(memory-hotplug-y)
  72obj-y += slub.o
  73
  74ifdef CONFIG_MMU
  75        obj-$(CONFIG_ADVISE_SYSCALLS)   += madvise.o
  76endif
  77
  78obj-$(CONFIG_SWAP)      += page_io.o swap_state.o swapfile.o
  79obj-$(CONFIG_ZSWAP)     += zswap.o
  80obj-$(CONFIG_HAS_DMA)   += dmapool.o
  81obj-$(CONFIG_HUGETLBFS) += hugetlb.o
  82ifdef CONFIG_CMA
  83obj-$(CONFIG_HUGETLBFS) += hugetlb_cma.o
  84endif
  85obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP)     += hugetlb_vmemmap.o
  86obj-$(CONFIG_NUMA)      += mempolicy.o
  87obj-$(CONFIG_SPARSEMEM) += sparse.o
  88obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
  89obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
  90obj-$(CONFIG_KSM) += ksm.o
  91obj-$(CONFIG_PAGE_POISONING) += page_poison.o
  92obj-$(CONFIG_KASAN)     += kasan/
  93obj-$(CONFIG_KFENCE) += kfence/
  94obj-$(CONFIG_KMSAN)     += kmsan/
  95obj-$(CONFIG_FAILSLAB) += failslab.o
  96obj-$(CONFIG_FAIL_PAGE_ALLOC) += fail_page_alloc.o
  97obj-$(CONFIG_MEMTEST)           += memtest.o
  98obj-$(CONFIG_MIGRATION) += migrate.o
  99obj-$(CONFIG_NUMA) += memory-tiers.o
 100obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o
 101obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
 102obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
 103obj-$(CONFIG_MEMCG_V1) += memcontrol-v1.o
 104obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
 105ifdef CONFIG_SWAP
 106obj-$(CONFIG_MEMCG) += swap_cgroup.o
 107endif
 108obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
 109obj-$(CONFIG_GUP_TEST) += gup_test.o
 110obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o
 111obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
 112obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
 113obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
 114obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
 115obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
 116obj-$(CONFIG_PAGE_OWNER) += page_owner.o
 117obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
 118obj-$(CONFIG_ZPOOL)     += zpool.o
 119obj-$(CONFIG_ZSMALLOC)  += zsmalloc.o
 120obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
 121obj-$(CONFIG_CMA)       += cma.o
 122obj-$(CONFIG_NUMA) += numa.o
 123obj-$(CONFIG_NUMA_MEMBLKS) += numa_memblks.o
 124obj-$(CONFIG_NUMA_EMU) += numa_emulation.o
 125obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
 126obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
 127obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o
 128obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
 129obj-$(CONFIG_SECRETMEM) += secretmem.o
 130obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
 131obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
 132obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
 133obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_alloc.o
 134obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
 135obj-$(CONFIG_DAMON) += damon/
 136obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
 137obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
 138obj-$(CONFIG_ZONE_DEVICE) += memremap.o
 139obj-$(CONFIG_HMM_MIRROR) += hmm.o
 140obj-$(CONFIG_MEMFD_CREATE) += memfd.o
 141obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
 142obj-$(CONFIG_PTDUMP) += ptdump.o
 143obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
 144obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o
 145obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o
 146obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o
 147obj-$(CONFIG_EXECMEM) += execmem.o
 148obj-$(CONFIG_TMPFS_QUOTA) += shmem_quota.o
 149obj-$(CONFIG_PT_RECLAIM) += pt_reclaim.o
 150