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_slab.o := n 8 KASAN_SANITIZE_slub.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_slab.o := n 16 KCSAN_SANITIZE_slub.o := n 17 KCSAN_SANITIZE_page_alloc.o := n 18 # But enable explicit instrumentation for memory barriers. 19 KCSAN_INSTRUMENT_BARRIERS := y 20 21 # These files are disabled because they produce non-interesting and/or 22 # flaky coverage that is not a function of syscall inputs. E.g. slab is out of 23 # free pages, or a task is migrated between nodes. 24 KCOV_INSTRUMENT_slab_common.o := n 25 KCOV_INSTRUMENT_slab.o := n 26 KCOV_INSTRUMENT_slub.o := n 27 KCOV_INSTRUMENT_page_alloc.o := n 28 KCOV_INSTRUMENT_debug-pagealloc.o := n 29 KCOV_INSTRUMENT_kmemleak.o := n 30 KCOV_INSTRUMENT_memcontrol.o := n 31 KCOV_INSTRUMENT_mmzone.o := n 32 KCOV_INSTRUMENT_vmstat.o := n 33 KCOV_INSTRUMENT_failslab.o := n 34 35 CFLAGS_init-mm.o += $(call cc-disable-warning, override-init) 36 CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides) 37 38 mmu-y := nommu.o 39 mmu-$(CONFIG_MMU) := highmem.o memory.o mincore.o \ 40 mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \ 41 msync.o page_vma_mapped.o pagewalk.o \ 42 pgtable-generic.o rmap.o vmalloc.o 43 44 45 ifdef CONFIG_CROSS_MEMORY_ATTACH 46 mmu-$(CONFIG_MMU) += process_vm_access.o 47 endif 48 49 obj-y := filemap.o mempool.o oom_kill.o fadvise.o \ 50 maccess.o page-writeback.o folio-compat.o \ 51 readahead.o swap.o truncate.o vmscan.o shmem.o \ 52 util.o mmzone.o vmstat.o backing-dev.o \ 53 mm_init.o percpu.o slab_common.o \ 54 compaction.o show_mem.o\ 55 interval_tree.o list_lru.o workingset.o \ 56 debug.o gup.o mmap_lock.o $(mmu-y) 57 58 # Give 'page_alloc' its own module-parameter namespace 59 page-alloc-y := page_alloc.o 60 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o 61 62 # Give 'memory_hotplug' its own module-parameter namespace 63 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o 64 65 obj-y += page-alloc.o 66 obj-y += init-mm.o 67 obj-y += memblock.o 68 obj-y += $(memory-hotplug-y) 69 70 ifdef CONFIG_MMU 71 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o 72 endif 73 74 obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o 75 obj-$(CONFIG_FRONTSWAP) += frontswap.o 76 obj-$(CONFIG_ZSWAP) += zswap.o 77 obj-$(CONFIG_HAS_DMA) += dmapool.o 78 obj-$(CONFIG_HUGETLBFS) += hugetlb.o 79 obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) += hugetlb_vmemmap.o 80 obj-$(CONFIG_NUMA) += mempolicy.o 81 obj-$(CONFIG_SPARSEMEM) += sparse.o 82 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o 83 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o 84 obj-$(CONFIG_KSM) += ksm.o 85 obj-$(CONFIG_PAGE_POISONING) += page_poison.o 86 obj-$(CONFIG_SLAB) += slab.o 87 obj-$(CONFIG_SLUB) += slub.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) += memcontrol.o vmpressure.o 100 ifdef CONFIG_SWAP 101 obj-$(CONFIG_MEMCG) += swap_cgroup.o 102 endif 103 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o 104 obj-$(CONFIG_GUP_TEST) += gup_test.o 105 obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o 106 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o 107 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o 108 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o 109 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o 110 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o 111 obj-$(CONFIG_PAGE_OWNER) += page_owner.o 112 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o 113 obj-$(CONFIG_ZPOOL) += zpool.o 114 obj-$(CONFIG_ZBUD) += zbud.o 115 obj-$(CONFIG_ZSMALLOC) += zsmalloc.o 116 obj-$(CONFIG_Z3FOLD) += z3fold.o 117 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o 118 obj-$(CONFIG_CMA) += cma.o 119 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o 120 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o 121 obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o 122 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o 123 obj-$(CONFIG_SECRETMEM) += secretmem.o 124 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o 125 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o 126 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o 127 obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_alloc.o 128 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o 129 obj-$(CONFIG_DAMON) += damon/ 130 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o 131 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o 132 obj-$(CONFIG_ZONE_DEVICE) += memremap.o 133 obj-$(CONFIG_HMM_MIRROR) += hmm.o 134 obj-$(CONFIG_MEMFD_CREATE) += memfd.o 135 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o 136 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o 137 obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o 138 obj-$(CONFIG_IO_MAPPING) += io-mapping.o 139 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o 140 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o 141 obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o 142