OSCL-LXR

0001 # SPDX-License-Identifier: GPL-2.0
0002 #
0003 # Makefile for the linux memory manager.
0004 #
0005
0006 KASAN_SANITIZE_slab_common.o := n
0007 KASAN_SANITIZE_slab.o := n
0008 KASAN_SANITIZE_slub.o := n
0009 KCSAN_SANITIZE_kmemleak.o := n
0010
0011 # These produce frequent data race reports: most of them are due to races on
0012 # the same word but accesses to different bits of that word. Re-enable KCSAN
0013 # for these when we have more consensus on what to do about them.
0014 KCSAN_SANITIZE_slab_common.o := n
0015 KCSAN_SANITIZE_slab.o := n
0016 KCSAN_SANITIZE_slub.o := n
0017 KCSAN_SANITIZE_page_alloc.o := n
0018 # But enable explicit instrumentation for memory barriers.
0019 KCSAN_INSTRUMENT_BARRIERS := y
0020
0021 # These files are disabled because they produce non-interesting and/or
0022 # flaky coverage that is not a function of syscall inputs. E.g. slab is out of
0023 # free pages, or a task is migrated between nodes.
0024 KCOV_INSTRUMENT_slab_common.o := n
0025 KCOV_INSTRUMENT_slob.o := n
0026 KCOV_INSTRUMENT_slab.o := n
0027 KCOV_INSTRUMENT_slub.o := n
0028 KCOV_INSTRUMENT_page_alloc.o := n
0029 KCOV_INSTRUMENT_debug-pagealloc.o := n
0030 KCOV_INSTRUMENT_kmemleak.o := n
0031 KCOV_INSTRUMENT_memcontrol.o := n
0032 KCOV_INSTRUMENT_mmzone.o := n
0033 KCOV_INSTRUMENT_vmstat.o := n
0034 KCOV_INSTRUMENT_failslab.o := n
0035
0036 CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
0037 CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
0038
0039 mmu-y                   := nommu.o
0040 mmu-$(CONFIG_MMU)       := highmem.o memory.o mincore.o \
0041                            mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
0042                            msync.o page_vma_mapped.o pagewalk.o \
0043                            pgtable-generic.o rmap.o vmalloc.o
0044
0045
0046 ifdef CONFIG_CROSS_MEMORY_ATTACH
0047 mmu-$(CONFIG_MMU)       += process_vm_access.o
0048 endif
0049
0050 obj-y                   := filemap.o mempool.o oom_kill.o fadvise.o \
0051                            maccess.o page-writeback.o folio-compat.o \
0052                            readahead.o swap.o truncate.o vmscan.o shmem.o \
0053                            util.o mmzone.o vmstat.o backing-dev.o \
0054                            mm_init.o percpu.o slab_common.o \
0055                            compaction.o vmacache.o \
0056                            interval_tree.o list_lru.o workingset.o \
0057                            debug.o gup.o mmap_lock.o $(mmu-y)
0058
0059 # Give 'page_alloc' its own module-parameter namespace
0060 page-alloc-y := page_alloc.o
0061 page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
0062
0063 # Give 'memory_hotplug' its own module-parameter namespace
0064 memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
0065
0066 obj-y += page-alloc.o
0067 obj-y += init-mm.o
0068 obj-y += memblock.o
0069 obj-y += $(memory-hotplug-y)
0070
0071 ifdef CONFIG_MMU
0072         obj-$(CONFIG_ADVISE_SYSCALLS)   += madvise.o
0073 endif
0074
0075 obj-$(CONFIG_SWAP)      += page_io.o swap_state.o swapfile.o swap_slots.o
0076 obj-$(CONFIG_FRONTSWAP) += frontswap.o
0077 obj-$(CONFIG_ZSWAP)     += zswap.o
0078 obj-$(CONFIG_HAS_DMA)   += dmapool.o
0079 obj-$(CONFIG_HUGETLBFS) += hugetlb.o
0080 obj-$(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP)     += hugetlb_vmemmap.o
0081 obj-$(CONFIG_NUMA)      += mempolicy.o
0082 obj-$(CONFIG_SPARSEMEM) += sparse.o
0083 obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
0084 obj-$(CONFIG_SLOB) += slob.o
0085 obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
0086 obj-$(CONFIG_KSM) += ksm.o
0087 obj-$(CONFIG_PAGE_POISONING) += page_poison.o
0088 obj-$(CONFIG_SLAB) += slab.o
0089 obj-$(CONFIG_SLUB) += slub.o
0090 obj-$(CONFIG_KASAN)     += kasan/
0091 obj-$(CONFIG_KFENCE) += kfence/
0092 obj-$(CONFIG_FAILSLAB) += failslab.o
0093 obj-$(CONFIG_MEMTEST)           += memtest.o
0094 obj-$(CONFIG_MIGRATION) += migrate.o
0095 obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o
0096 obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
0097 obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
0098 obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
0099 obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o
0100 obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
0101 obj-$(CONFIG_GUP_TEST) += gup_test.o
0102 obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
0103 obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
0104 obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
0105 obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
0106 obj-$(CONFIG_DEBUG_VM_PGTABLE) += debug_vm_pgtable.o
0107 obj-$(CONFIG_PAGE_OWNER) += page_owner.o
0108 obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
0109 obj-$(CONFIG_ZPOOL)     += zpool.o
0110 obj-$(CONFIG_ZBUD)      += zbud.o
0111 obj-$(CONFIG_ZSMALLOC)  += zsmalloc.o
0112 obj-$(CONFIG_Z3FOLD)    += z3fold.o
0113 obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
0114 obj-$(CONFIG_CMA)       += cma.o
0115 obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
0116 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
0117 obj-$(CONFIG_PAGE_TABLE_CHECK) += page_table_check.o
0118 obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
0119 obj-$(CONFIG_SECRETMEM) += secretmem.o
0120 obj-$(CONFIG_CMA_SYSFS) += cma_sysfs.o
0121 obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
0122 obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
0123 obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
0124 obj-$(CONFIG_DAMON) += damon/
0125 obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
0126 obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
0127 obj-$(CONFIG_ZONE_DEVICE) += memremap.o
0128 obj-$(CONFIG_HMM_MIRROR) += hmm.o
0129 obj-$(CONFIG_MEMFD_CREATE) += memfd.o
0130 obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
0131 obj-$(CONFIG_PTDUMP_CORE) += ptdump.o
0132 obj-$(CONFIG_PAGE_REPORTING) += page_reporting.o
0133 obj-$(CONFIG_IO_MAPPING) += io-mapping.o
0134 obj-$(CONFIG_HAVE_BOOTMEM_INFO_NODE) += bootmem_info.o
0135 obj-$(CONFIG_GENERIC_IOREMAP) += ioremap.o
0136 obj-$(CONFIG_SHRINKER_DEBUG) += shrinker_debug.o