1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 # 2 #
3 # Makefile for the linux memory manager. 3 # Makefile for the linux memory manager.
4 # 4 #
5 5
6 KASAN_SANITIZE_slab_common.o := n 6 KASAN_SANITIZE_slab_common.o := n
>> 7 KASAN_SANITIZE_slab.o := n
7 KASAN_SANITIZE_slub.o := n 8 KASAN_SANITIZE_slub.o := n
8 KASAN_SANITIZE_kmemleak.o := n <<
9 KCSAN_SANITIZE_kmemleak.o := n 9 KCSAN_SANITIZE_kmemleak.o := n
10 10
11 # These produce frequent data race reports: mo 11 # These produce frequent data race reports: most of them are due to races on
12 # the same word but accesses to different bits 12 # the same word but accesses to different bits of that word. Re-enable KCSAN
13 # for these when we have more consensus on wha 13 # for these when we have more consensus on what to do about them.
14 KCSAN_SANITIZE_slab_common.o := n 14 KCSAN_SANITIZE_slab_common.o := n
>> 15 KCSAN_SANITIZE_slab.o := n
15 KCSAN_SANITIZE_slub.o := n 16 KCSAN_SANITIZE_slub.o := n
16 KCSAN_SANITIZE_page_alloc.o := n 17 KCSAN_SANITIZE_page_alloc.o := n
17 # But enable explicit instrumentation for memo 18 # But enable explicit instrumentation for memory barriers.
18 KCSAN_INSTRUMENT_BARRIERS := y 19 KCSAN_INSTRUMENT_BARRIERS := y
19 20
20 # These files are disabled because they produc 21 # These files are disabled because they produce non-interesting and/or
21 # flaky coverage that is not a function of sys 22 # 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 no 23 # free pages, or a task is migrated between nodes.
23 KCOV_INSTRUMENT_slab_common.o := n 24 KCOV_INSTRUMENT_slab_common.o := n
>> 25 KCOV_INSTRUMENT_slob.o := n
>> 26 KCOV_INSTRUMENT_slab.o := n
24 KCOV_INSTRUMENT_slub.o := n 27 KCOV_INSTRUMENT_slub.o := n
25 KCOV_INSTRUMENT_page_alloc.o := n 28 KCOV_INSTRUMENT_page_alloc.o := n
26 KCOV_INSTRUMENT_debug-pagealloc.o := n 29 KCOV_INSTRUMENT_debug-pagealloc.o := n
27 KCOV_INSTRUMENT_kmemleak.o := n 30 KCOV_INSTRUMENT_kmemleak.o := n
28 KCOV_INSTRUMENT_memcontrol.o := n 31 KCOV_INSTRUMENT_memcontrol.o := n
29 KCOV_INSTRUMENT_memcontrol-v1.o := n <<
30 KCOV_INSTRUMENT_mmzone.o := n 32 KCOV_INSTRUMENT_mmzone.o := n
31 KCOV_INSTRUMENT_vmstat.o := n 33 KCOV_INSTRUMENT_vmstat.o := n
32 KCOV_INSTRUMENT_failslab.o := n 34 KCOV_INSTRUMENT_failslab.o := n
33 35
34 CFLAGS_init-mm.o += -Wno-override-init !! 36 CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
>> 37 CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
35 38
36 mmu-y := nommu.o 39 mmu-y := nommu.o
37 mmu-$(CONFIG_MMU) := highmem.o memory.o 40 mmu-$(CONFIG_MMU) := highmem.o memory.o mincore.o \
38 mlock.o mmap.o mmu_ 41 mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
39 msync.o page_vma_ma 42 msync.o page_vma_mapped.o pagewalk.o \
40 pgtable-generic.o r 43 pgtable-generic.o rmap.o vmalloc.o
41 44
42 45
43 ifdef CONFIG_CROSS_MEMORY_ATTACH 46 ifdef CONFIG_CROSS_MEMORY_ATTACH
44 mmu-$(CONFIG_MMU) += process_vm_access.o 47 mmu-$(CONFIG_MMU) += process_vm_access.o
45 endif 48 endif
46 49
47 ifdef CONFIG_64BIT <<
48 mmu-$(CONFIG_MMU) += mseal.o <<
49 endif <<
50 <<
51 obj-y := filemap.o mempool.o 50 obj-y := filemap.o mempool.o oom_kill.o fadvise.o \
52 maccess.o page-writ 51 maccess.o page-writeback.o folio-compat.o \
53 readahead.o swap.o !! 52 readahead.o swap.o truncate.o vmscan.o shmem.o \
54 shmem.o util.o mmzo !! 53 util.o mmzone.o vmstat.o backing-dev.o \
55 mm_init.o percpu.o 54 mm_init.o percpu.o slab_common.o \
56 compaction.o show_m !! 55 compaction.o \
57 interval_tree.o lis 56 interval_tree.o list_lru.o workingset.o \
58 debug.o gup.o mmap_ 57 debug.o gup.o mmap_lock.o $(mmu-y)
59 58
60 # Give 'page_alloc' its own module-parameter n 59 # Give 'page_alloc' its own module-parameter namespace
61 page-alloc-y := page_alloc.o 60 page-alloc-y := page_alloc.o
62 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += 61 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
63 62
64 # Give 'memory_hotplug' its own module-paramet 63 # Give 'memory_hotplug' its own module-parameter namespace
65 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += mem 64 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
66 65
67 obj-y += page-alloc.o 66 obj-y += page-alloc.o
68 obj-y += init-mm.o 67 obj-y += init-mm.o
69 obj-y += memblock.o 68 obj-y += memblock.o
70 obj-y += $(memory-hotplug-y) 69 obj-y += $(memory-hotplug-y)
71 obj-y += slub.o <<
72 70
73 ifdef CONFIG_MMU 71 ifdef CONFIG_MMU
74 obj-$(CONFIG_ADVISE_SYSCALLS) += mad 72 obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
75 endif 73 endif
76 74
77 obj-$(CONFIG_SWAP) += page_io.o swap_stat 75 obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o
>> 76 obj-$(CONFIG_FRONTSWAP) += frontswap.o
78 obj-$(CONFIG_ZSWAP) += zswap.o 77 obj-$(CONFIG_ZSWAP) += zswap.o
79 obj-$(CONFIG_HAS_DMA) += dmapool.o 78 obj-$(CONFIG_HAS_DMA) += dmapool.o
80 obj-$(CONFIG_HUGETLBFS) += hugetlb.o 79 obj-$(CONFIG_HUGETLBFS) += hugetlb.o
81 obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) 80 obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP) += hugetlb_vmemmap.o
82 obj-$(CONFIG_NUMA) += mempolicy.o 81 obj-$(CONFIG_NUMA) += mempolicy.o
83 obj-$(CONFIG_SPARSEMEM) += sparse.o 82 obj-$(CONFIG_SPARSEMEM) += sparse.o
84 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmem 83 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
>> 84 obj-$(CONFIG_SLOB) += slob.o
85 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o 85 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
86 obj-$(CONFIG_KSM) += ksm.o 86 obj-$(CONFIG_KSM) += ksm.o
87 obj-$(CONFIG_PAGE_POISONING) += page_poison.o 87 obj-$(CONFIG_PAGE_POISONING) += page_poison.o
>> 88 obj-$(CONFIG_SLAB) += slab.o
>> 89 obj-$(CONFIG_SLUB) += slub.o
88 obj-$(CONFIG_KASAN) += kasan/ 90 obj-$(CONFIG_KASAN) += kasan/
89 obj-$(CONFIG_KFENCE) += kfence/ 91 obj-$(CONFIG_KFENCE) += kfence/
90 obj-$(CONFIG_KMSAN) += kmsan/ 92 obj-$(CONFIG_KMSAN) += kmsan/
91 obj-$(CONFIG_FAILSLAB) += failslab.o 93 obj-$(CONFIG_FAILSLAB) += failslab.o
92 obj-$(CONFIG_FAIL_PAGE_ALLOC) += fail_page_all <<
93 obj-$(CONFIG_MEMTEST) += memtest.o 94 obj-$(CONFIG_MEMTEST) += memtest.o
94 obj-$(CONFIG_MIGRATION) += migrate.o 95 obj-$(CONFIG_MIGRATION) += migrate.o
95 obj-$(CONFIG_NUMA) += memory-tiers.o 96 obj-$(CONFIG_NUMA) += memory-tiers.o
96 obj-$(CONFIG_DEVICE_MIGRATION) += migrate_devi 97 obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o
97 obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_mem 98 obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
98 obj-$(CONFIG_PAGE_COUNTER) += page_counter.o 99 obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
99 obj-$(CONFIG_MEMCG_V1) += memcontrol-v1.o <<
100 obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure 100 obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
101 ifdef CONFIG_SWAP 101 ifdef CONFIG_SWAP
102 obj-$(CONFIG_MEMCG) += swap_cgroup.o 102 obj-$(CONFIG_MEMCG) += swap_cgroup.o
103 endif 103 endif
104 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup 104 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
105 obj-$(CONFIG_GUP_TEST) += gup_test.o 105 obj-$(CONFIG_GUP_TEST) += gup_test.o
106 obj-$(CONFIG_DMAPOOL_TEST) += dmapool_test.o <<
107 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure 106 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
108 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inje 107 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
109 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o 108 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
110 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test 109 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
111 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgt 110 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
112 obj-$(CONFIG_PAGE_OWNER) += page_owner.o 111 obj-$(CONFIG_PAGE_OWNER) += page_owner.o
113 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolati 112 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
114 obj-$(CONFIG_ZPOOL) += zpool.o 113 obj-$(CONFIG_ZPOOL) += zpool.o
115 obj-$(CONFIG_ZBUD) += zbud.o 114 obj-$(CONFIG_ZBUD) += zbud.o
116 obj-$(CONFIG_ZSMALLOC) += zsmalloc.o 115 obj-$(CONFIG_ZSMALLOC) += zsmalloc.o
117 obj-$(CONFIG_Z3FOLD) += z3fold.o 116 obj-$(CONFIG_Z3FOLD) += z3fold.o
118 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_i 117 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
119 obj-$(CONFIG_CMA) += cma.o 118 obj-$(CONFIG_CMA) += cma.o
120 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compac 119 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
121 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o 120 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
122 obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_c 121 obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o
123 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o 122 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
124 obj-$(CONFIG_SECRETMEM) += secretmem.o 123 obj-$(CONFIG_SECRETMEM) += secretmem.o
125 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o 124 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
126 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o 125 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
127 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle. 126 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
128 obj-$(CONFIG_DEBUG_PAGEALLOC) += debug_page_al <<
129 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref 127 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
130 obj-$(CONFIG_DAMON) += damon/ 128 obj-$(CONFIG_DAMON) += damon/
131 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o 129 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
132 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o 130 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
133 obj-$(CONFIG_ZONE_DEVICE) += memremap.o 131 obj-$(CONFIG_ZONE_DEVICE) += memremap.o
134 obj-$(CONFIG_HMM_MIRROR) += hmm.o 132 obj-$(CONFIG_HMM_MIRROR) += hmm.o
135 obj-$(CONFIG_MEMFD_CREATE) += memfd.o 133 obj-$(CONFIG_MEMFD_CREATE) += memfd.o
136 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping 134 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
137 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o 135 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o
138 obj-$(CONFIG_PAGE_REPORTING) += page_reporting 136 obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
139 obj-$(CONFIG_IO_MAPPING) += io-mapping.o 137 obj-$(CONFIG_IO_MAPPING) += io-mapping.o
140 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootme 138 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o
141 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o 139 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o
142 obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug 140 obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o
143 obj-$(CONFIG_EXECMEM) += execmem.o <<
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