linux/mm
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: 77da9389b9 ("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
balloon_compaction.c
cleancache.c
cma.c
cma.h
cma_debug.c
compaction.c
debug.c
debug_page_ref.c
dmapool.c
early_ioremap.c
fadvise.c
failslab.c
filemap.c vfs: rework data cloning infrastructure 2018-11-02 09:33:08 -07:00
frame_vector.c
frontswap.c
gup.c mm/gup: finish consolidating error handling 2018-11-30 14:56:13 -08:00
gup_benchmark.c
highmem.c
hmm.c
huge_memory.c mm/huge_memory: fix lockdep complaint on 32-bit i_size_read() 2018-11-30 14:56:15 -08:00
hugetlb.c userfaultfd: use ENOENT instead of EFAULT if the atomic copy user fails 2018-11-30 14:56:14 -08:00
hugetlb_cgroup.c
hwpoison-inject.c
init-mm.c
internal.h memblock: rename __free_pages_bootmem to memblock_free_pages 2018-10-31 08:54:16 -07:00
interval_tree.c
Kconfig
Kconfig.debug
khugepaged.c mm/khugepaged: fix the xas_create_range() error path 2018-11-30 14:56:15 -08:00
kmemleak-test.c
kmemleak.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
ksm.c
list_lru.c
maccess.c
madvise.c
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
memory-failure.c
memory.c mm: Fix warning in insert_pfn() 2018-10-31 08:54:17 -07:00
memory_hotplug.c memory_hotplug: cond_resched in __remove_pages 2018-11-03 10:09:38 -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
memtest.c
migrate.c
mincore.c
mlock.c
mm_init.c
mmap.c
mmu_context.c
mmu_gather.c
mmu_notifier.c
mmzone.c
mprotect.c
mremap.c
msync.c
nommu.c
oom_kill.c
page-writeback.c
page_alloc.c mm/page_alloc.c: fix calculation of pgdat->nr_zones 2018-11-30 14:56:14 -08:00
page_counter.c
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
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
pagewalk.c
percpu-internal.h
percpu-km.c
percpu-stats.c
percpu-vm.c
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
process_vm_access.c
quicklist.c
readahead.c
rmap.c mm/huge_memory: rename freeze_page() to unmap_page() 2018-11-30 14:56:14 -08:00
rodata_test.c
shmem.c mm/khugepaged: fix crashes due to misaccounted holes 2018-11-30 14:56:15 -08:00
slab.c
slab.h
slab_common.c
slob.c
slub.c
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.c
swap_cgroup.c
swap_slots.c
swap_state.c
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
userfaultfd.c userfaultfd: shmem: add i_size checks 2018-11-30 14:56:14 -08:00
util.c
vmacache.c
vmalloc.c
vmpressure.c
vmscan.c
vmstat.c mm/vmstat.c: fix NUMA statistics updates 2018-11-18 10:15:10 -08:00
workingset.c
z3fold.c z3fold: fix possible reclaim races 2018-11-18 10:15:09 -08:00
zbud.c
zpool.c
zsmalloc.c
zswap.c