1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the linux memory manager.
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
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
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_slob.o := n
26 KCOV_INSTRUMENT_slab.o := n
27 KCOV_INSTRUMENT_slub.o := n
28 KCOV_INSTRUMENT_page_alloc.o := n
29 KCOV_INSTRUMENT_debug-pagealloc.o := n
30 KCOV_INSTRUMENT_kmemleak.o := n
31 KCOV_INSTRUMENT_memcontrol.o := n
32 KCOV_INSTRUMENT_mmzone.o := n
33 KCOV_INSTRUMENT_vmstat.o := n
34 KCOV_INSTRUMENT_failslab.o := n
36 CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
37 CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
40 mmu-$(CONFIG_MMU) := highmem.o memory.o mincore.o \
41 mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
42 msync.o page_vma_mapped.o pagewalk.o \
43 pgtable-generic.o rmap.o vmalloc.o
46 ifdef CONFIG_CROSS_MEMORY_ATTACH
47 mmu-$(CONFIG_MMU) += process_vm_access.o
50 obj-y := filemap.o mempool.o oom_kill.o fadvise.o \
51 maccess.o page-writeback.o folio-compat.o \
52 readahead.o swap.o truncate.o vmscan.o shmem.o \
53 util.o mmzone.o vmstat.o backing-dev.o \
54 mm_init.o percpu.o slab_common.o \
55 compaction.o vmacache.o \
56 interval_tree.o list_lru.o workingset.o \
57 debug.o gup.o mmap_lock.o $(mmu-y)
59 # Give 'page_alloc' its own module-parameter namespace
60 page-alloc-y := page_alloc.o
61 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
63 # Give 'memory_hotplug' its own module-parameter namespace
64 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
69 obj-y += $(memory-hotplug-y)
72 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
75 obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o
76 obj-$(CONFIG_FRONTSWAP) += frontswap.o
77 obj-$(CONFIG_ZSWAP) += zswap.o
78 obj-$(CONFIG_HAS_DMA) += dmapool.o
79 obj-$(CONFIG_HUGETLBFS) += hugetlb.o
80 obj-$(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP) += hugetlb_vmemmap.o
81 obj-$(CONFIG_NUMA) += mempolicy.o
82 obj-$(CONFIG_SPARSEMEM) += sparse.o
83 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
84 obj-$(CONFIG_SLOB) += slob.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_SLAB) += slab.o
89 obj-$(CONFIG_SLUB) += slub.o
90 obj-$(CONFIG_KASAN) += kasan/
91 obj-$(CONFIG_KFENCE) += kfence/
92 obj-$(CONFIG_FAILSLAB) += failslab.o
93 obj-$(CONFIG_MEMTEST) += memtest.o
94 obj-$(CONFIG_MIGRATION) += migrate.o
95 obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
96 obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
97 obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
98 obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o
99 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
100 obj-$(CONFIG_GUP_TEST) += gup_test.o
101 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
102 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
103 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
104 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
105 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
106 obj-$(CONFIG_PAGE_OWNER) += page_owner.o
107 obj-$(CONFIG_CLEANCACHE) += cleancache.o
108 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
109 obj-$(CONFIG_ZPOOL) += zpool.o
110 obj-$(CONFIG_ZBUD) += zbud.o
111 obj-$(CONFIG_ZSMALLOC) += zsmalloc.o
112 obj-$(CONFIG_Z3FOLD) += z3fold.o
113 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
114 obj-$(CONFIG_CMA) += cma.o
115 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
116 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
117 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
118 obj-$(CONFIG_SECRETMEM) += secretmem.o
119 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
120 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
121 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
122 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
123 obj-$(CONFIG_DAMON) += damon/
124 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
125 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
126 obj-$(CONFIG_ZONE_DEVICE) += memremap.o
127 obj-$(CONFIG_HMM_MIRROR) += hmm.o
128 obj-$(CONFIG_MEMFD_CREATE) += memfd.o
129 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
130 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o
131 obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
132 obj-$(CONFIG_IO_MAPPING) += io-mapping.o
133 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o
134 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o