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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 folio.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 hugetlb_sysfs.o hugetlb_sysctl.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_LIVEUPDATE_MEMFD) += memfd_luo.o
104obj-$(CONFIG_MEMCG_V1) += memcontrol-v1.o
105obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
106ifdef CONFIG_BPF_SYSCALL
107obj-$(CONFIG_MEMCG) += bpf_memcontrol.o
108endif
109obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
110obj-$(CONFIG_GUP_TEST) += gup_test.o
111obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o
112obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
113obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
114obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
115obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
116obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
117obj-$(CONFIG_PAGE_OWNER) += page_owner.o
118obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
119obj-$(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_GENERIC_ARCH_NUMA) += arch_numa.o
126obj-$(CONFIG_BALLOON) += balloon.o
127obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
128obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o
129obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
130obj-$(CONFIG_SECRETMEM) += secretmem.o
131obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
132obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
133obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
134obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_alloc.o
135obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
136obj-$(CONFIG_DAMON) += damon/
137obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
138obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
139obj-$(CONFIG_ZONE_DEVICE) += memremap.o
140obj-$(CONFIG_HMM_MIRROR) += hmm.o
141obj-$(CONFIG_MEMFD_CREATE) += memfd.o
142obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
143obj-$(CONFIG_PTDUMP) += ptdump.o
144obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
145obj-$(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_LAZY_MMU_MODE_KUNIT_TEST) += tests/lazy_mmu_mode_kunit.o
150obj-$(CONFIG_MEM_ALLOC_PROFILING) += alloc_tag.o