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Yu Zhao 3c470638b6 mm: use swp_offset as key in shmem_replace_page() 
commit c1cb20d43728aa9b5393bd8d489bc85c142949b2 upstream.

We changed the key of swap cache tree from swp_entry_t.val to
swp_offset.  We need to do so in shmem_replace_page() as well.

Hugh said:
 "shmem_replace_page() has been wrong since the day I wrote it: good
  enough to work on swap "type" 0, which is all most people ever use
  (especially those few who need shmem_replace_page() at all), but
  broken once there are any non-0 swp_type bits set in the higher order
  bits"

Link: http://lkml.kernel.org/r/20181121215442.138545-1-yuzhao@google.com
Fixes: f6ab1f7f6b2d ("mm, swap: use offset of swap entry as key of swap cache")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reviewed-by: Matthew Wilcox <willy@infradead.org>
Acked-by: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>	[4.9+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05 19:42:41 +01:00
..
kasan
kasan: fix shadow_size calculation error in kasan_module_alloc
2018-08-24 13:12:35 +02:00
backing-dev.c
block: fix double-free in the failure path of cgwb_bdi_init()
2017-02-26 11:10:52 +01:00
balloon_compaction.c
mm: balloon: use general non-lru movable page feature
2016-07-26 16:19:19 -07:00
bootmem.c
mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping
2016-10-11 15:06:33 -07:00
cleancache.c
cleancache: constify cleancache_ops structure
2016-01-27 09:09:57 -05:00
cma_debug.c
mm/cma_debug: correct size input to bitmap function
2015-07-17 16:39:54 -07:00
cma.c
cma: fix calculation of aligned offset
2018-01-31 12:55:51 +01:00
cma.h
mm: cma: mark cma_bitmap_maxno() inline in header
2015-08-14 15:56:32 -07:00
compaction.c
mm, compaction: fix NR_ISOLATED_* stats for pfn based migration
2017-01-12 11:39:32 +01:00
debug_page_ref.c
mm/page_ref: add tracepoint to track down page reference manipulation
2016-03-17 15:09:34 -07:00
debug.c
mm: get rid of vmacache_flush_all() entirely
2018-09-19 22:47:17 +02:00
dmapool.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2018-02-25 11:05:49 +01:00
fadvise.c
mm/fadvise.c: fix signed overflow UBSAN complaint
2018-09-15 09:42:57 +02:00
failslab.c
mm: fault-inject take over bootstrap kmem_cache check
2016-03-15 16:55:16 -07:00
filemap.c
mm/filemap.c: fix NULL pointer in page_cache_tree_insert()
2018-04-24 09:34:18 +02:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2018-11-10 07:42:52 -08:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
mm: do not bug_on on incorrect length in __mm_populate()
2018-11-21 09:25:58 +01:00
highmem.c
mm/highmem: make nr_free_highpages() handles all highmem zones by itself
2016-05-19 19:12:14 -07:00
huge_memory.c
mm/huge_memory: fix lockdep complaint on 32-bit i_size_read()
2018-12-05 19:42:36 +01:00
hugetlb_cgroup.c
mm, hugetlb_cgroup: round limit_in_bytes down to hugepage size
2016-05-20 17:58:30 -07:00
hugetlb.c
mm: migration: fix migration of huge PMD shared pages
2018-11-21 09:26:03 +01:00
hwpoison-inject.c
hwpoison: use page_cgroup_ino for filtering by memcg
2015-09-10 13:29:01 -07:00
init-mm.c
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
2017-01-06 10:40:13 +01:00
internal.h
mm: fix 100% CPU kswapd busyloop on unreclaimable nodes
2018-01-31 12:55:53 +01:00
interval_tree.c
…
Kconfig
mm: don't allow deferred pages with NEED_PER_CPU_KM
2018-05-22 16:57:57 +02:00
Kconfig.debug
PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO
2016-09-13 02:35:27 +02:00
khugepaged.c
mm/khugepaged: collapse_shmem() do not crash on Compound
2018-12-05 19:42:38 +01:00
kmemcheck.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
mm/kmemleak.c: wait for scan completion before disabling free
2018-05-30 07:50:39 +02:00
ksm.c
mm/ksm: fix interaction with THP
2018-05-30 07:50:41 +02:00
list_lru.c
mm/list_lru.c: fix list_lru_count_node() to be race free
2017-07-21 07:42:21 +02:00
maccess.c
x86: remove more uaccess_32.h complexity
2016-05-22 17:21:27 -07:00
madvise.c
mm: madvise(MADV_DODUMP): allow hugetlbfs pages
2018-10-10 08:53:20 +02:00
Makefile
Disable the __builtin_return_address() warning globally after all
2016-10-12 10:23:41 -07:00
memblock.c
mm/memblock.c: reversed logic in memblock_discard()
2017-08-30 10:21:47 +02:00
memcontrol.c
memcg: remove memcg_cgroup::id from IDR on mem_cgroup_css_alloc() failure
2018-09-05 09:20:04 +02:00
memory_hotplug.c
mm/memory_hotplug.c: fix overflow in test_pages_in_a_zone()
2018-11-10 07:42:44 -08:00
memory-failure.c
mm: hwpoison: call shake_page() after try_to_unmap() for mlocked page
2018-03-24 11:00:21 +01:00
memory.c
mm/tlb: Remove tlb_remove_table() non-concurrent condition
2018-09-09 20:01:23 +02:00
mempolicy.c
mm: thp: relax __GFP_THISNODE for MADV_HUGEPAGE mappings
2018-11-21 09:26:00 +01:00
mempool.c
Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"
2016-07-28 16:07:41 -07:00
memtest.c
memtest: remove unused header files
2015-09-08 15:35:28 -07:00
migrate.c
Sanitize 'move_pages()' permission checks
2017-08-24 17:12:21 -07:00
mincore.c
mm, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
mlock.c
mlock: fix mlock count can not decrease in race condition
2017-06-07 12:07:49 +02:00
mm_init.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
mmap.c
mm: do not bug_on on incorrect length in __mm_populate()
2018-11-21 09:25:58 +01:00
mmu_context.c
mm/mmu_context, sched/core: Fix mmu_context.h assumption
2016-04-28 11:44:19 +02:00
mmu_notifier.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
mmzone.c
mm, page_alloc: inline the fast path of the zonelist iterator
2016-05-19 19:12:14 -07:00
mprotect.c
x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings
2018-08-15 18:14:45 +02:00
mremap.c
mremap: properly flush TLB before releasing the page
2018-10-20 09:51:31 +02:00
msync.c
mm/msync: use offset_in_page macro
2015-11-05 19:34:48 -08:00
nobootmem.c
mm: discard memblock data later
2017-08-24 17:12:19 -07:00
nommu.c
ptrace: Don't allow accessing an undumpable mm
2017-01-06 10:40:13 +01:00
oom_kill.c
mm, oom_reaper: gather each vma to prevent leaking TLB entry
2017-12-09 22:01:47 +01:00
page_alloc.c
mm, page_alloc: do not break __GFP_THISNODE by zonelist reset
2018-07-11 16:26:45 +02:00
page_counter.c
mm: page_counter: let page_counter_try_charge() return bool
2015-11-05 19:34:48 -08:00
page_ext.c
mm/page_ext: support extra space allocation by page_ext user
2016-10-07 18:46:27 -07:00
page_idle.c
mm, vmscan: move lru_lock to the node
2016-07-28 16:07:41 -07:00
page_io.c
mm/page_io.c: replace some BUG_ON()s with VM_BUG_ON_PAGE()
2016-10-07 18:46:29 -07:00
page_isolation.c
mm/page_isolation: fix typo: "paes" -> "pages"
2016-10-07 18:46:29 -07:00
page_owner.c
mm/page_owner: don't define fields on struct page_ext by hard-coding
2016-10-07 18:46:27 -07:00
page_poison.c
mm: check the return value of lookup_page_ext for all call sites
2016-06-03 15:06:22 -07:00
page-writeback.c
writeback: safer lock nesting
2018-04-24 09:34:18 +02:00
pagewalk.c
mm/pagewalk.c: report holes in hugetlb ranges
2017-11-24 08:33:42 +01:00
percpu-km.c
mm: percpu: use pr_fmt to prefix output
2016-03-17 15:09:34 -07:00
percpu-vm.c
…
percpu.c
percpu: include linux/sched.h for cond_resched()
2018-05-09 09:50:18 +02:00
pgtable-generic.c
mm/thp/migration: switch from flush_tlb_range to flush_pmd_tlb_range
2016-03-17 15:09:34 -07:00
process_vm_access.c
mm: remove write/force parameters from __get_user_pages_unlocked()
2016-10-18 14:13:37 -07:00
quicklist.c
fix Christoph's email addresses
2016-03-17 15:09:34 -07:00
readahead.c
mm: silently skip readahead for DAX inodes
2016-08-26 17:39:35 -07:00
rmap.c
mm: migration: fix migration of huge PMD shared pages
2018-11-21 09:26:03 +01:00
shmem.c
mm: use swp_offset as key in shmem_replace_page()
2018-12-05 19:42:41 +01:00
slab_common.c
mm: don't warn about large allocations for slab
2018-12-01 09:44:19 +01:00
slab.c
mm: don't warn about large allocations for slab
2018-12-01 09:44:19 +01:00
slab.h
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slob.c
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slub.c
slub: make ->cpu_partial unsigned int
2018-10-03 17:01:50 -07:00
sparse-vmemmap.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
sparse.c
mm/memory_hotplug: set magic number to page->freelist instead of page->lru.next
2017-10-21 17:21:36 +02:00
swap_cgroup.c
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
2017-07-05 14:40:17 +02:00
swap_state.c
mm, swap: use offset of swap entry as key of swap cache
2016-10-07 18:46:28 -07:00
swap.c
thp: reduce usage of huge zero page's atomic counter
2016-10-07 18:46:28 -07:00
swapfile.c
x86/speculation/l1tf: Limit swap file size to MAX_PA/2
2018-08-15 18:14:45 +02:00
truncate.c
fs: add i_blocksize()
2017-06-14 15:06:00 +02:00
usercopy.c
mm: usercopy: Check for module addresses
2016-09-20 16:07:39 -07:00
userfaultfd.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
util.c
Provide a function to create a NUL-terminated string from unterminated data
2018-02-25 11:05:41 +01:00
vmacache.c
mm: get rid of vmacache_flush_all() entirely
2018-09-19 22:47:17 +02:00
vmalloc.c
mm: vmalloc: avoid racy handling of debugobjects in vunmap
2018-08-03 07:55:13 +02:00
vmpressure.c
mm: vmpressure: fix sending wrong events on underflow
2017-03-12 06:41:43 +01:00
vmscan.c
mm: remove seemingly spurious reclaimability check from laptop_mode gating
2018-09-19 22:47:12 +02:00
vmstat.c
mm/vmstat.c: fix outdated vmstat_text
2018-10-18 09:13:21 +02:00
workingset.c
mm: workingset: fix premature shadow node shrinking with cgroups
2017-04-08 09:30:36 +02:00
z3fold.c
mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
2016-06-03 16:02:55 -07:00
zbud.c
mm/zbud.c: use list_last_entry() instead of list_tail_entry()
2016-01-15 11:40:52 -08:00
zpool.c
mm: zsmalloc: constify struct zs_pool name
2015-11-06 17:50:42 -08:00
zsmalloc.c
zsmalloc: calling zs_map_object() from irq is a bug
2017-12-14 09:28:23 +01:00
zswap.c
zswap: re-check zswap_is_full() after do zswap_shrink()
2018-09-05 09:20:02 +02:00