mm/Makefile

Source file repositories/reference/linux-study-clean/mm/Makefile

File Facts

System
Linux kernel
Corpus path
mm/Makefile
Extension
[no extension]
Size
5446 bytes
Lines
150
Domain
Core OS
Bucket
Memory Management
Inferred role
Core OS: build/configuration rule
Status
atlas-only

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: GPL-2.0
#
# Makefile for the linux memory manager.
#

KASAN_SANITIZE_slab_common.o := n
KASAN_SANITIZE_slub.o := n
KASAN_SANITIZE_kmemleak.o := n
KCSAN_SANITIZE_kmemleak.o := n

# These produce frequent data race reports: most of them are due to races on
# the same word but accesses to different bits of that word. Re-enable KCSAN
# for these when we have more consensus on what to do about them.
KCSAN_SANITIZE_slab_common.o := n
KCSAN_SANITIZE_slub.o := n
KCSAN_SANITIZE_page_alloc.o := n
# But enable explicit instrumentation for memory barriers.
KCSAN_INSTRUMENT_BARRIERS := y

# These files are disabled because they produce non-interesting and/or
# flaky coverage that is not a function of syscall inputs. E.g. slab is out of
# free pages, or a task is migrated between nodes.
KCOV_INSTRUMENT_slab_common.o := n
KCOV_INSTRUMENT_slub.o := n
KCOV_INSTRUMENT_page_alloc.o := n
KCOV_INSTRUMENT_debug-pagealloc.o := n
KCOV_INSTRUMENT_kmemleak.o := n
KCOV_INSTRUMENT_memcontrol.o := n
KCOV_INSTRUMENT_memcontrol-v1.o := n
KCOV_INSTRUMENT_mmzone.o := n
KCOV_INSTRUMENT_vmstat.o := n
KCOV_INSTRUMENT_failslab.o := n

CFLAGS_init-mm.o += -Wno-override-init

mmu-y			:= nommu.o
mmu-$(CONFIG_MMU)	:= highmem.o memory.o mincore.o \
			   mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
			   msync.o page_vma_mapped.o pagewalk.o \
			   pgtable-generic.o rmap.o vmalloc.o vma.o vma_exec.o


ifdef CONFIG_CROSS_MEMORY_ATTACH
mmu-$(CONFIG_MMU)	+= process_vm_access.o
endif

ifdef CONFIG_64BIT
mmu-$(CONFIG_MMU)	+= mseal.o
endif

obj-y			:= filemap.o mempool.o oom_kill.o fadvise.o \
			   maccess.o page-writeback.o folio-compat.o \
			   readahead.o swap.o truncate.o vmscan.o shrinker.o \
			   shmem.o util.o mmzone.o vmstat.o backing-dev.o \
			   mm_init.o percpu.o slab_common.o \
			   compaction.o show_mem.o \
			   interval_tree.o list_lru.o workingset.o \
			   debug.o gup.o mmap_lock.o vma_init.o $(mmu-y)

# Give 'page_alloc' its own module-parameter namespace
page-alloc-y := page_alloc.o
page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o

# Give 'memory_hotplug' its own module-parameter namespace
memory-hotplug-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o

obj-y += page-alloc.o
obj-y += page_frag_cache.o
obj-y += init-mm.o
obj-y += memblock.o

Annotation

Implementation Notes