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Hugh Dickins 95feeabb77 mm/khugepaged: fix the xas_create_range() error path 
collapse_shmem()'s xas_nomem() is very unlikely to fail, but it is
rightly given a failure path, so move the whole xas_create_range() block
up before __SetPageLocked(new_page): so that it does not need to
remember to unlock_page(new_page).

Add the missing mem_cgroup_cancel_charge(), and set (currently unused)
result to SCAN_FAIL rather than SCAN_SUCCEED.

Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1811261531200.2275@eggly.anvils
Fixes: 77da9389b9d5 ("mm: Convert collapse_shmem to XArray")
Signed-off-by: Hugh Dickins <hughd@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-11-30 14:56:15 -08:00
..
kasan
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
backing-dev.c
blkcg: delay blkg destruction until after writeback has finished
2018-08-31 14:48:56 -06:00
balloon_compaction.c
virtio_balloon: fix deadlock on OOM
2017-11-14 23:57:38 +02:00
cleancache.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
cma_debug.c
mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
2018-08-17 16:20:32 -07:00
cma.c
mm/cma: remove unsupported gfp_mask parameter from cma_alloc()
2018-08-17 16:20:32 -07:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
psi: pressure stall information for CPU, memory, and IO
2018-10-26 16:26:32 -07:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm: provide kernel parameter to allow disabling page init poisoning
2018-10-26 16:26:34 -07:00
dmapool.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
failslab.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
filemap.c
vfs: rework data cloning infrastructure
2018-11-02 09:33:08 -07:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2017-12-14 16:00:48 -08:00
frontswap.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
gup_benchmark.c
mm/gup_benchmark.c: prevent integer overflow in ioctl
2018-10-31 08:54:12 -07:00
gup.c
mm/gup: finish consolidating error handling
2018-11-30 14:56:13 -08:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hmm.c
mm/hmm: invalidate device page table at start of invalidation
2018-10-31 08:54:12 -07:00
huge_memory.c
mm/huge_memory: fix lockdep complaint on 32-bit i_size_read()
2018-11-30 14:56:15 -08:00
hugetlb_cgroup.c
mm: rename page_counter's count/limit into usage/max
2018-06-07 17:34:35 -07:00
hugetlb.c
userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails
2018-11-30 14:56:14 -08:00
hwpoison-inject.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
init-mm.c
mm: Allocate the mm_cpumask (mm->cpu_bitmap[]) dynamically based on nr_cpu_ids
2018-07-17 09:35:30 +02:00
internal.h
memblock: rename __free_pages_bootmem to memblock_free_pages
2018-10-31 08:54:16 -07:00
interval_tree.c
mm/interval_tree.c: use vma_pages() helper
2018-01-31 17:18:37 -08:00
Kconfig
mm: remove CONFIG_HAVE_MEMBLOCK
2018-10-31 08:54:15 -07:00
Kconfig.debug
mm: clarify CONFIG_PAGE_POISONING and usage
2018-08-22 10:52:44 -07:00
khugepaged.c
mm/khugepaged: fix the xas_create_range() error path
2018-11-30 14:56:15 -08:00
kmemleak-test.c
mm: convert printk(KERN_<LEVEL> to pr_<level>
2016-03-17 15:09:34 -07:00
kmemleak.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
ksm.c
include/linux/compiler*.h: make compiler-*.h mutually exclusive
2018-08-22 17:31:34 -07:00
list_lru.c
mm/list_lru: introduce list_lru_shrink_walk_irq()
2018-08-17 16:20:32 -07:00
maccess.c
x86/fault: BUG() when uaccess helpers fault on kernel addresses
2018-09-03 15:12:09 +02:00
madvise.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
Makefile
mm: remove nobootmem
2018-10-31 08:54:16 -07:00
memblock.c
mm/memblock.c: fix a typo in __next_mem_pfn_range() comments
2018-11-18 10:15:10 -08:00
memcontrol.c
mm: handle no memcg case in memcg_kmem_charge() properly
2018-11-03 10:09:37 -07:00
memfd.c
memfd: Convert memfd_tag_pins to XArray
2018-10-21 10:46:41 -04:00
memory_hotplug.c
memory_hotplug: cond_resched in __remove_pages
2018-11-03 10:09:38 -07:00
memory-failure.c
libnvdimm-for-4.19_dax-memory-failure
2018-08-25 18:43:59 -07:00
memory.c
mm: Fix warning in insert_pfn()
2018-10-31 08:54:17 -07:00
mempolicy.c
mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask
2018-11-03 10:09:37 -07:00
mempool.c
mm/mempool.c: add missing parameter description
2018-08-22 10:52:44 -07:00
memtest.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
migrate.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
mincore.c
xarray: Replace exceptional entries
2018-09-29 22:47:49 -04:00
mlock.c
dax: remove VM_MIXEDMAP for fsdax and device dax
2018-08-17 16:20:27 -07:00
mm_init.c
mm: access zone->node via zone_to_nid() and zone_set_nid()
2018-08-22 10:52:45 -07:00
mmap.c
mm: brk: downgrade mmap_sem to read when shrinking
2018-10-26 16:26:35 -07:00
mmu_context.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
mmu_gather.c
mm/memory: Move mmu_gather and TLB invalidation code into its own file
2018-09-07 15:19:25 +01:00
mmu_notifier.c
Revert "mm, mmu_notifier: annotate mmu notifiers with blockable invalidate callbacks"
2018-10-26 16:25:19 -07:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings
2018-06-20 19:10:01 +02:00
mremap.c
mm: mremap: downgrade mmap_sem to read when shrinking
2018-10-26 16:26:35 -07:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nommu.c
mm/gup: cache dev_pagemap while pinning pages
2018-10-26 16:38:15 -07:00
oom_kill.c
Merge branch 'siginfo-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2018-10-24 11:22:39 +01:00
page_alloc.c
mm/page_alloc.c: fix calculation of pgdat->nr_zones
2018-11-30 14:56:14 -08:00
page_counter.c
memcg: introduce memory.min
2018-06-07 17:34:36 -07:00
page_ext.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
page_idle.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
page_io.c
for-linus-20181102
2018-11-02 11:25:48 -07:00
page_isolation.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
page_owner.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
page_poison.c
virtio, vhost: fixes, tweaks
2018-11-01 14:42:49 -07:00
page_vma_mapped.c
mm/rmap: map_pte() was not handling private ZONE_DEVICE page properly
2018-10-31 08:54:11 -07:00
page-writeback.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
pagewalk.c
mm: kernel-doc: add missing parameter descriptions
2018-04-05 21:36:27 -07:00
percpu-internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu-km.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu-stats.c
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu.c
Merge branch 'for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
2018-11-01 09:27:57 -07:00
pgtable-generic.c
x86/mm: Page size aware flush_tlb_mm_range()
2018-10-09 16:51:11 +02:00
process_vm_access.c
mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors
2018-02-06 18:32:48 -08:00
quicklist.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
mm: Convert __do_page_cache_readahead to XArray
2018-10-21 10:46:37 -04:00
rmap.c
mm/huge_memory: rename freeze_page() to unmap_page()
2018-11-30 14:56:14 -08:00
rodata_test.c
mm: fix RODATA_TEST failure "rodata_test: test data was not read only"
2017-10-03 17:54:24 -07:00
shmem.c
mm/khugepaged: fix crashes due to misaccounted holes
2018-11-30 14:56:15 -08:00
slab_common.c
mm, slab: shorten kmalloc cache names for large sizes
2018-10-26 16:26:32 -07:00
slab.c
mm, slab: combine kmalloc_caches and kmalloc_dma_caches
2018-10-26 16:26:31 -07:00
slab.h
mm: introduce CONFIG_MEMCG_KMEM as combination of CONFIG_MEMCG && !CONFIG_SLOB
2018-08-17 16:20:30 -07:00
slob.c
slab: __GFP_ZERO is incompatible with a constructor
2018-06-07 17:34:34 -07:00
slub.c
mm, slab: combine kmalloc_caches and kmalloc_dma_caches
2018-10-26 16:26:31 -07:00
sparse-vmemmap.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
sparse.c
memblock: stop using implicit alignment to SMP_CACHE_BYTES
2018-10-31 08:54:16 -07:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
mm, swap, get_swap_pages: use entry_size instead of cluster in parameter
2018-08-22 10:52:44 -07:00
swap_state.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
swap.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
swapfile.c
mm/swapfile.c: use kvzalloc for swap_info_struct allocation
2018-11-18 10:15:09 -08:00
truncate.c
mm: cleancache: fix corruption on missed inode invalidation
2018-11-30 14:56:14 -08:00
usercopy.c
usercopy: Allow boot cmdline disabling of hardening
2018-07-04 08:04:52 -07:00
userfaultfd.c
userfaultfd: shmem: add i_size checks
2018-11-30 14:56:14 -08:00
util.c
kvfree(): fix misleading comment
2018-10-26 16:26:33 -07:00
vmacache.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
vmalloc.c
vfree: add debug might_sleep()
2018-10-26 16:26:33 -07:00
vmpressure.c
mm/vmpressure.c: convert to use match_string() helper
2018-06-07 17:34:36 -07:00
vmscan.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
vmstat.c
mm/vmstat.c: fix NUMA statistics updates
2018-11-18 10:15:10 -08:00
workingset.c
Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax
2018-10-28 11:35:40 -07:00
z3fold.c
z3fold: fix possible reclaim races
2018-11-18 10:15:09 -08:00
zbud.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
zpool.c
mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc
2018-02-21 15:35:43 -08:00
zsmalloc.c
mm/zsmalloc.c: fix fall-through annotation
2018-10-26 16:26:35 -07:00
zswap.c
zswap: re-check zswap_is_full() after do zswap_shrink()
2018-07-26 19:38:03 -07:00