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Jane Chu 4d75136be8 mm/memory-failure: unnecessary amount of unmapping 
It appears that unmap_mapping_range() actually takes a 'size' as its third
argument rather than a location, the current calling fashion causes
unnecessary amount of unmapping to occur.

Link: https://lkml.kernel.org/r/20210420002821.2749748-1-jane.chu@oracle.com
Fixes: 6100e34b25 ("mm, memory_failure: Teach memory_failure() about dev_pagemap pages")
Signed-off-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Naoya Horiguchi <naoya.horiguchi@nec.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-04-30 11:20:44 -07:00
..
kasan
kasan: record task_work_add() call stack
2021-04-30 11:20:42 -07:00
kfence
kfence: make compatible with kmemleak
2021-03-25 09:22:55 -07:00
backing-dev.c
mm/backing-dev.c: use might_alloc()
2021-02-26 09:41:01 -08:00
balloon_compaction.c
…
cleancache.c
…
cma_debug.c
…
cma.c
mm: cma: print region name on failure
2021-02-26 09:41:00 -08:00
cma.h
…
compaction.c
…
debug_page_ref.c
…
debug_vm_pgtable.c
mm: HUGE_VMAP arch support cleanup
2021-04-30 11:20:40 -07:00
debug.c
…
dmapool.c
mm/dmapool: switch from strlcpy to strscpy
2021-04-30 11:20:39 -07:00
early_ioremap.c
mm/early_ioremap.c: use __func__ instead of function name
2021-02-26 09:41:02 -08:00
fadvise.c
…
failslab.c
…
filemap.c
mm/filemap: update stale comment
2021-04-30 11:20:37 -07:00
frontswap.c
…
gup_test.c
…
gup_test.h
…
gup.c
mm: gup: remove FOLL_SPLIT
2021-04-30 11:20:37 -07:00
highmem.c
mm/highmem: fix CONFIG_DEBUG_KMAP_LOCAL_FORCE_MAP
2021-03-25 09:22:55 -07:00
hmm.c
…
huge_memory.c
mm/memcg: rename mem_cgroup_split_huge_fixup to split_page_memcg and add nr_pages argument
2021-03-13 11:27:31 -08:00
hugetlb_cgroup.c
hugetlb_cgroup: fix imbalanced css_get and css_put pair for shared mappings
2021-03-25 09:22:55 -07:00
hugetlb.c
mm/page_alloc: combine __alloc_pages and __alloc_pages_nodemask
2021-04-30 11:20:42 -07:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm/page_alloc: combine __alloc_pages and __alloc_pages_nodemask
2021-04-30 11:20:42 -07:00
interval_tree.c
mm/interval_tree: add comments to improve code readability
2021-04-30 11:20:38 -07:00
io-mapping.c
mm: add a io_mapping_map_user helper
2021-04-30 11:20:39 -07:00
ioremap.c
mm: move vmap_range from mm/ioremap.c to mm/vmalloc.c
2021-04-30 11:20:40 -07:00
Kconfig
mm/Kconfig: remove default DISCONTIGMEM_MANUAL
2021-04-30 11:20:43 -07:00
Kconfig.debug
…
khugepaged.c
mm,thp,shmem: make khugepaged obey tmpfs mount flags
2021-02-26 09:40:59 -08:00
kmemleak.c
mm/kmemleak.c: fix a typo
2021-04-30 11:20:36 -07:00
ksm.c
…
list_lru.c
…
maccess.c
…
madvise.c
mm/madvise: replace ptrace attach requirement for process_madvise
2021-03-13 11:27:30 -08:00
Makefile
mm: add a io_mapping_map_user helper
2021-04-30 11:20:39 -07:00
mapping_dirty_helpers.c
mm/mapping_dirty_helpers: guard hugepage pud's usage
2021-04-16 16:10:37 -07:00
memblock.c
…
memcontrol.c
mm: memcontrol: inline __memcg_kmem_{un}charge() into obj_cgroup_{un}charge_pages()
2021-04-30 11:20:38 -07:00
memfd.c
…
memory_hotplug.c
arm64: mte: Map hotplugged memory as Normal Tagged
2021-03-10 10:56:46 +00:00
memory-failure.c
mm/memory-failure: unnecessary amount of unmapping
2021-04-30 11:20:44 -07:00
memory.c
mm: apply_to_pte_range warn and fail if a large pte is encountered
2021-04-30 11:20:39 -07:00
mempolicy.c
mm/mempolicy: fix mpol_misplaced kernel-doc
2021-04-30 11:20:43 -07:00
mempool.c
kasan, mm: integrate page_alloc init with HW_TAGS
2021-04-30 11:20:41 -07:00
memremap.c
mm/memremap.c: fix improper SPDX comment style
2021-04-30 11:20:37 -07:00
memtest.c
…
migrate.c
mm/page_alloc: combine __alloc_pages and __alloc_pages_nodemask
2021-04-30 11:20:42 -07:00
mincore.c
…
mlock.c
mm/mlock: stop counting mlocked pages when none vma is found
2021-02-26 09:41:01 -08:00
mm_init.c
include/linux/page-flags-layout.h: cleanups
2021-04-30 11:20:42 -07:00
mmap_lock.c
…
mmap.c
Revert "mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio"
2021-04-30 11:20:39 -07:00
mmu_gather.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
mmu_notifier.c
mm/mmu_notifiers: ensure range_end() is paired with range_start()
2021-03-25 09:22:55 -07:00
mmzone.c
…
mprotect.c
…
mremap.c
Revert "mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio"
2021-04-30 11:20:39 -07:00
msync.c
mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start
2021-04-30 11:20:37 -07:00
nommu.c
…
oom_kill.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
page_alloc.c
mm: page_alloc: ignore init_on_free=1 for debug_pagealloc=1
2021-04-30 11:20:43 -07:00
page_counter.c
mm: page_counter: mitigate consequences of a page_counter underflow
2021-04-30 11:20:38 -07:00
page_ext.c
…
page_idle.c
…
page_io.c
swap: fix swapfile read/write offset
2021-03-02 17:25:46 -07:00
page_isolation.c
…
page_owner.c
mm: page_owner: detect page_owner recursion via task_struct
2021-04-30 11:20:36 -07:00
page_poison.c
mm: page_poison: print page info when corruption is caught
2021-04-30 11:20:36 -07:00
page_reporting.c
…
page_reporting.h
…
page_vma_mapped.c
…
page-writeback.c
mm: page-writeback: simplify memcg handling in test_clear_page_writeback()
2021-04-30 11:20:37 -07:00
pagewalk.c
…
percpu-internal.h
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-09 13:58:38 +00:00
percpu-km.c
…
percpu-stats.c
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-09 13:58:38 +00:00
percpu-vm.c
mm/vmalloc: remove unmap_kernel_range
2021-04-30 11:20:40 -07:00
percpu.c
percpu: make pcpu_nr_empty_pop_pages per chunk type
2021-04-09 13:58:38 +00:00
pgalloc-track.h
…
pgtable-generic.c
…
process_vm_access.c
…
ptdump.c
mm: ptdump: fix build failure
2021-04-16 16:10:37 -07:00
readahead.c
mm: Implement readahead_control pageset expansion
2021-04-23 10:14:29 +01:00
rmap.c
mm/rmap: correct obsolete comment of page_get_anon_vma()
2021-02-26 09:41:01 -08:00
rodata_test.c
…
shmem.c
shmem: allow reporting fanotify events with file handles on tmpfs
2021-04-19 16:03:48 +02:00
shuffle.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
shuffle.h
…
slab_common.c
mm/slab_common: provide "slab_merge" option for !IS_ENABLED(CONFIG_SLAB_MERGE_DEFAULT) builds
2021-04-30 11:20:36 -07:00
slab.c
kasan, mm: integrate slab init_on_free with HW_TAGS
2021-04-30 11:20:41 -07:00
slab.h
kasan, mm: integrate slab init_on_alloc with HW_TAGS
2021-04-30 11:20:41 -07:00
slob.c
mm: Don't build mm_dump_obj() on CONFIG_PRINTK=n kernels
2021-03-08 14:18:46 -08:00
slub.c
kasan, mm: integrate slab init_on_free with HW_TAGS
2021-04-30 11:20:41 -07:00
sparse-vmemmap.c
…
sparse.c
mm/sparse: add the missing sparse_buffer_fini() in error branch
2021-04-30 11:20:39 -07:00
swap_cgroup.c
…
swap_slots.c
…
swap_state.c
memcg: charge before adding to swapcache on swapin
2021-04-30 11:20:38 -07:00
swap.c
mm: remove pagevec_lookup_entries
2021-02-26 09:40:59 -08:00
swapfile.c
swap: fix swapfile read/write offset
2021-03-02 17:25:46 -07:00
truncate.c
mm: remove pagevec_lookup_entries
2021-02-26 09:40:59 -08:00
usercopy.c
…
userfaultfd.c
…
util.c
mm: move page_mapping_file to pagemap.h
2021-04-30 11:20:37 -07:00
vmacache.c
…
vmalloc.c
mm/vmalloc: remove an empty line
2021-04-30 11:20:40 -07:00
vmpressure.c
…
vmscan.c
…
vmstat.c
mm/vmstat.c: erase latency in vmstat_shepherd
2021-02-26 09:41:00 -08:00
workingset.c
…
z3fold.c
z3fold: prevent reclaim/free race for headless pages
2021-03-25 09:22:55 -07:00
zbud.c
mm: set the sleep_mapped to true for zbud and z3fold
2021-02-26 09:41:01 -08:00
zpool.c
mm/zswap: add the flag can_sleep_mapped
2021-02-26 09:41:01 -08:00
zsmalloc.c
mm/zsmalloc.c: use page_private() to access page->private
2021-02-26 09:41:01 -08:00
zswap.c
mm/zswap: add the flag can_sleep_mapped
2021-02-26 09:41:01 -08:00