forked from Minki/linux
c5acad84cf
Add two utilities to 1) write-protect and 2) clean all ptes pointing into a range of an address space. The utilities are intended to aid in tracking dirty pages (either driver-allocated system memory or pci device memory). The write-protect utility should be used in conjunction with page_mkwrite() and pfn_mkwrite() to trigger write page-faults on page accesses. Typically one would want to use this on sparse accesses into large memory regions. The clean utility should be used to utilize hardware dirtying functionality and avoid the overhead of page-faults, typically on large accesses into small memory regions. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Matthew Wilcox <willy@infradead.org> Cc: Will Deacon <will.deacon@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rik van Riel <riel@surriel.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Kirill A. Shutemov <kirill@shutemov.name> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Acked-by: Andrew Morton <akpm@linux-foundation.org>
111 lines
3.9 KiB
Makefile
111 lines
3.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux memory manager.
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#
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KASAN_SANITIZE_slab_common.o := n
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KASAN_SANITIZE_slab.o := n
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KASAN_SANITIZE_slub.o := n
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# These files are disabled because they produce non-interesting and/or
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# flaky coverage that is not a function of syscall inputs. E.g. slab is out of
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# free pages, or a task is migrated between nodes.
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KCOV_INSTRUMENT_slab_common.o := n
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KCOV_INSTRUMENT_slob.o := n
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KCOV_INSTRUMENT_slab.o := n
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KCOV_INSTRUMENT_slub.o := n
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KCOV_INSTRUMENT_page_alloc.o := n
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KCOV_INSTRUMENT_debug-pagealloc.o := n
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KCOV_INSTRUMENT_kmemleak.o := n
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KCOV_INSTRUMENT_memcontrol.o := n
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KCOV_INSTRUMENT_mmzone.o := n
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KCOV_INSTRUMENT_vmstat.o := n
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CFLAGS_init-mm.o += $(call cc-disable-warning, override-init)
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CFLAGS_init-mm.o += $(call cc-disable-warning, initializer-overrides)
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mmu-y := nommu.o
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mmu-$(CONFIG_MMU) := highmem.o memory.o mincore.o \
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mlock.o mmap.o mmu_gather.o mprotect.o mremap.o \
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msync.o page_vma_mapped.o pagewalk.o \
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pgtable-generic.o rmap.o vmalloc.o
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ifdef CONFIG_CROSS_MEMORY_ATTACH
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mmu-$(CONFIG_MMU) += process_vm_access.o
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endif
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obj-y := filemap.o mempool.o oom_kill.o fadvise.o \
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maccess.o page-writeback.o \
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readahead.o swap.o truncate.o vmscan.o shmem.o \
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util.o mmzone.o vmstat.o backing-dev.o \
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mm_init.o mmu_context.o percpu.o slab_common.o \
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compaction.o vmacache.o \
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interval_tree.o list_lru.o workingset.o \
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debug.o gup.o $(mmu-y)
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# Give 'page_alloc' its own module-parameter namespace
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page-alloc-y := page_alloc.o
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page-alloc-$(CONFIG_SHUFFLE_PAGE_ALLOCATOR) += shuffle.o
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obj-y += page-alloc.o
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obj-y += init-mm.o
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obj-y += memblock.o
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ifdef CONFIG_MMU
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obj-$(CONFIG_ADVISE_SYSCALLS) += madvise.o
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endif
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obj-$(CONFIG_SWAP) += page_io.o swap_state.o swapfile.o swap_slots.o
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obj-$(CONFIG_FRONTSWAP) += frontswap.o
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obj-$(CONFIG_ZSWAP) += zswap.o
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obj-$(CONFIG_HAS_DMA) += dmapool.o
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obj-$(CONFIG_HUGETLBFS) += hugetlb.o
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obj-$(CONFIG_NUMA) += mempolicy.o
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obj-$(CONFIG_SPARSEMEM) += sparse.o
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obj-$(CONFIG_SPARSEMEM_VMEMMAP) += sparse-vmemmap.o
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obj-$(CONFIG_SLOB) += slob.o
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obj-$(CONFIG_MMU_NOTIFIER) += mmu_notifier.o
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obj-$(CONFIG_KSM) += ksm.o
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obj-$(CONFIG_PAGE_POISONING) += page_poison.o
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obj-$(CONFIG_SLAB) += slab.o
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obj-$(CONFIG_SLUB) += slub.o
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obj-$(CONFIG_KASAN) += kasan/
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obj-$(CONFIG_FAILSLAB) += failslab.o
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obj-$(CONFIG_MEMORY_HOTPLUG) += memory_hotplug.o
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obj-$(CONFIG_MEMTEST) += memtest.o
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obj-$(CONFIG_MIGRATION) += migrate.o
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obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o
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obj-$(CONFIG_PAGE_COUNTER) += page_counter.o
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obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o
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obj-$(CONFIG_MEMCG_SWAP) += swap_cgroup.o
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obj-$(CONFIG_CGROUP_HUGETLB) += hugetlb_cgroup.o
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obj-$(CONFIG_GUP_BENCHMARK) += gup_benchmark.o
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obj-$(CONFIG_MEMORY_FAILURE) += memory-failure.o
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obj-$(CONFIG_HWPOISON_INJECT) += hwpoison-inject.o
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obj-$(CONFIG_DEBUG_KMEMLEAK) += kmemleak.o
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obj-$(CONFIG_DEBUG_KMEMLEAK_TEST) += kmemleak-test.o
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obj-$(CONFIG_DEBUG_RODATA_TEST) += rodata_test.o
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obj-$(CONFIG_PAGE_OWNER) += page_owner.o
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obj-$(CONFIG_CLEANCACHE) += cleancache.o
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obj-$(CONFIG_MEMORY_ISOLATION) += page_isolation.o
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obj-$(CONFIG_ZPOOL) += zpool.o
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obj-$(CONFIG_ZBUD) += zbud.o
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obj-$(CONFIG_ZSMALLOC) += zsmalloc.o
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obj-$(CONFIG_Z3FOLD) += z3fold.o
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obj-$(CONFIG_GENERIC_EARLY_IOREMAP) += early_ioremap.o
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obj-$(CONFIG_CMA) += cma.o
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obj-$(CONFIG_MEMORY_BALLOON) += balloon_compaction.o
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obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
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obj-$(CONFIG_CMA_DEBUGFS) += cma_debug.o
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obj-$(CONFIG_USERFAULTFD) += userfaultfd.o
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obj-$(CONFIG_IDLE_PAGE_TRACKING) += page_idle.o
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obj-$(CONFIG_FRAME_VECTOR) += frame_vector.o
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obj-$(CONFIG_DEBUG_PAGE_REF) += debug_page_ref.o
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obj-$(CONFIG_HARDENED_USERCOPY) += usercopy.o
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obj-$(CONFIG_PERCPU_STATS) += percpu-stats.o
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obj-$(CONFIG_ZONE_DEVICE) += memremap.o
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obj-$(CONFIG_HMM_MIRROR) += hmm.o
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obj-$(CONFIG_MEMFD_CREATE) += memfd.o
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obj-$(CONFIG_MAPPING_DIRTY_HELPERS) += mapping_dirty_helpers.o
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