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
 19# These files are disabled because they produce non-interesting and/or
 20# flaky coverage that is not a function of syscall inputs. E.g. slab is out of
 21# free pages, or a task is migrated between nodes.
 22KCOV_INSTRUMENT_slab_common.o := n
 23KCOV_INSTRUMENT_slob.o := n
 24KCOV_INSTRUMENT_slab.o := n
 25KCOV_INSTRUMENT_slub.o := n
 26KCOV_INSTRUMENT_page_alloc.o := n
 27KCOV_INSTRUMENT_debug-pagealloc.o := n
 28KCOV_INSTRUMENT_kmemleak.o := n
 29KCOV_INSTRUMENT_memcontrol.o := n
 30KCOV_INSTRUMENT_mmzone.o := n
 31KCOV_INSTRUMENT_vmstat.o := n
 32KCOV_INSTRUMENT_failslab.o := n
 33
 34CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
 35CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
 36
 37mmu-y			:= nommu.o
 38mmu-$(CONFIG_MMU)	:= highmem.o memory.o mincore.o \
 39			   mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
 40			   msync.o page_vma_mapped.o pagewalk.o \
 41			   pgtable-generic.o rmap.o vmalloc.o ioremap.o
 42
 43
 44ifdef CONFIG_CROSS_MEMORY_ATTACH
 45mmu-$(CONFIG_MMU)	+= process_vm_access.o
 46endif
 47
 48obj-y			:= filemap.o mempool.o oom_kill.o fadvise.o \
 49			   maccess.o page-writeback.o \
 50			   readahead.o swap.o truncate.o vmscan.o shmem.o \
 51			   util.o mmzone.o vmstat.o backing-dev.o \
 52			   mm_init.o percpu.o slab_common.o \
 53			   compaction.o vmacache.o \
 54			   interval_tree.o list_lru.o workingset.o \
 55			   debug.o gup.o mmap_lock.o $(mmu-y)
 56
 57# Give 'page_alloc' its own module-parameter namespace
 58page-alloc-y := page_alloc.o
 59page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
 60
 61# Give 'memory_hotplug' its own module-parameter namespace
 62memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
 63
 64obj-y += page-alloc.o
 65obj-y += init-mm.o
 66obj-y += memblock.o
 67obj-y += $(memory-hotplug-y)
 68
 69ifdef CONFIG_MMU
 70	obj-$(CONFIG_ADVISE_SYSCALLS)	+= madvise.o
 71endif
 72
 73obj-$(CONFIG_SWAP)	+= page_io.o swap_state.o swapfile.o swap_slots.o
 74obj-$(CONFIG_FRONTSWAP)	+= frontswap.o
 75obj-$(CONFIG_ZSWAP)	+= zswap.o
 76obj-$(CONFIG_HAS_DMA)	+= dmapool.o
 77obj-$(CONFIG_HUGETLBFS)	+= hugetlb.o
 78obj-$(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP)	+= hugetlb_vmemmap.o
 79obj-$(CONFIG_NUMA) 	+= mempolicy.o
 80obj-$(CONFIG_SPARSEMEM)	+= sparse.o
 81obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
 82obj-$(CONFIG_SLOB) += slob.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_FAILSLAB) += failslab.o
 91obj-$(CONFIG_MEMTEST)		+= memtest.o
 92obj-$(CONFIG_MIGRATION) += migrate.o
 93obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
 94obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
 95obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
 96obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o
 97obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
 98obj-$(CONFIG_GUP_TEST) += gup_test.o
 99obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
100obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
101obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
102obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
103obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
104obj-$(CONFIG_PAGE_OWNER) += page_owner.o
105obj-$(CONFIG_CLEANCACHE) += cleancache.o
106obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
107obj-$(CONFIG_ZPOOL)	+= zpool.o
108obj-$(CONFIG_ZBUD)	+= zbud.o
109obj-$(CONFIG_ZSMALLOC)	+= zsmalloc.o
110obj-$(CONFIG_Z3FOLD)	+= z3fold.o
111obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
112obj-$(CONFIG_CMA)	+= cma.o
113obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
114obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
115obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
116obj-$(CONFIG_SECRETMEM) += secretmem.o
117obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
118obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
119obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
120obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
121obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
122obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
123obj-$(CONFIG_ZONE_DEVICE) += memremap.o
124obj-$(CONFIG_HMM_MIRROR) += hmm.o
125obj-$(CONFIG_MEMFD_CREATE) += memfd.o
126obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
127obj-$(CONFIG_PTDUMP_CORE) += ptdump.o
128obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
129obj-$(CONFIG_IO_MAPPING) += io-mapping.o
130obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o