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_slab.o := n 8KASAN_SANITIZE_slub.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_slab.o := n 16KCSAN_SANITIZE_slub.o := n 17KCSAN_SANITIZE_page_alloc.o := n 18# But enable explicit instrumentation for memory barriers. 19KCSAN_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. 24KCOV_INSTRUMENT_slab_common.o := n 25KCOV_INSTRUMENT_slab.o := n 26KCOV_INSTRUMENT_slub.o := n 27KCOV_INSTRUMENT_page_alloc.o := n 28KCOV_INSTRUMENT_debug-pagealloc.o := n 29KCOV_INSTRUMENT_kmemleak.o := n 30KCOV_INSTRUMENT_memcontrol.o := n 31KCOV_INSTRUMENT_mmzone.o := n 32KCOV_INSTRUMENT_vmstat.o := n 33KCOV_INSTRUMENT_failslab.o := n 34 35CFLAGS_init-mm.o += $(call cc-disable-warning, override-init) 36CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides) 37 38mmu-y := nommu.o 39mmu-$(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 45ifdef CONFIG_CROSS_MEMORY_ATTACH 46mmu-$(CONFIG_MMU) += process_vm_access.o 47endif 48 49obj-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 $(mmu-y) 57 58# Give 'page_alloc' its own module-parameter namespace 59page-alloc-y := page_alloc.o 60page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o 61 62# Give 'memory_hotplug' its own module-parameter namespace 63memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o 64 65obj-y += page-alloc.o 66obj-y += init-mm.o 67obj-y += memblock.o 68obj-y += $(memory-hotplug-y) 69 70ifdef CONFIG_MMU 71 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o 72endif 73 74obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o 75obj-$(CONFIG_FRONTSWAP) += frontswap.o 76obj-$(CONFIG_ZSWAP) += zswap.o 77obj-$(CONFIG_HAS_DMA) += dmapool.o 78obj-$(CONFIG_HUGETLBFS) += hugetlb.o 79obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) += hugetlb_vmemmap.o 80obj-$(CONFIG_NUMA) += mempolicy.o 81obj-$(CONFIG_SPARSEMEM) += sparse.o 82obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o 83obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o 84obj-$(CONFIG_KSM) += ksm.o 85obj-$(CONFIG_PAGE_POISONING) += page_poison.o 86obj-$(CONFIG_SLAB) += slab.o 87obj-$(CONFIG_SLUB) += slub.o 88obj-$(CONFIG_KASAN) += kasan/ 89obj-$(CONFIG_KFENCE) += kfence/ 90obj-$(CONFIG_KMSAN) += kmsan/ 91obj-$(CONFIG_FAILSLAB) += failslab.o 92obj-$(CONFIG_FAIL_PAGE_ALLOC) += fail_page_alloc.o 93obj-$(CONFIG_MEMTEST) += memtest.o 94obj-$(CONFIG_MIGRATION) += migrate.o 95obj-$(CONFIG_NUMA) += memory-tiers.o 96obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o 97obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o 98obj-$(CONFIG_PAGE_COUNTER) += page_counter.o 99obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o 100ifdef CONFIG_SWAP 101obj-$(CONFIG_MEMCG) += swap_cgroup.o 102endif 103obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o 104obj-$(CONFIG_GUP_TEST) += gup_test.o 105obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o 106obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o 107obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o 108obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o 109obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o 110obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o 111obj-$(CONFIG_PAGE_OWNER) += page_owner.o 112obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o 113obj-$(CONFIG_ZPOOL) += zpool.o 114obj-$(CONFIG_ZBUD) += zbud.o 115obj-$(CONFIG_ZSMALLOC) += zsmalloc.o 116obj-$(CONFIG_Z3FOLD) += z3fold.o 117obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o 118obj-$(CONFIG_CMA) += cma.o 119obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o 120obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o 121obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o 122obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o 123obj-$(CONFIG_SECRETMEM) += secretmem.o 124obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o 125obj-$(CONFIG_USERFAULTFD) += userfaultfd.o 126obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o 127obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_alloc.o 128obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o 129obj-$(CONFIG_DAMON) += damon/ 130obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o 131obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o 132obj-$(CONFIG_ZONE_DEVICE) += memremap.o 133obj-$(CONFIG_HMM_MIRROR) += hmm.o 134obj-$(CONFIG_MEMFD_CREATE) += memfd.o 135obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o 136obj-$(CONFIG_PTDUMP_CORE) += ptdump.o 137obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o 138obj-$(CONFIG_IO_MAPPING) += io-mapping.o 139obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o 140obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o 141obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o 142