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Christophe JAILLET 647a37ec1a mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()' 
[ Upstream commit 1f704fd0d1 ]

A semaphore is acquired before this check, so we must release it before
leaving.

Link: http://lkml.kernel.org/r/20171211211009.4971-1-christophe.jaillet@wanadoo.fr
Fixes: b7f0554a56 ("mm: fail get_vaddr_frames() for filesystem-dax mappings")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: David Sterba <dsterba@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-03 10:24:21 +01:00
..
kasan
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
backing-dev.c
…
balloon_compaction.c
…
bootmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cleancache.c
…
cma_debug.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cma.c
mm/cma.c: take __GFP_NOWARN into account in cma_alloc()
2017-10-13 16:18:32 -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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
dmapool.c
…
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2018-02-25 11:08:03 +01:00
fadvise.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
failslab.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
filemap.c
mm: have filemap_check_and_advance_wb_err clear AS_EIO/AS_ENOSPC
2017-10-03 17:54:24 -07:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2018-03-03 10:24:21 +01:00
frontswap.c
…
gup.c
mm, x86/mm: Fix performance regression in get_user_pages_fast()
2017-12-10 13:40:43 +01:00
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
…
huge_memory.c
mm, thp: Do not make page table dirty unconditionally in touch_p[mu]d()
2017-12-05 11:26:28 +01:00
hugetlb_cgroup.c
…
hugetlb.c
mm/hugetlb: fix NULL-pointer dereference on 5-level paging machine
2017-12-05 11:26:30 +01:00
hwpoison-inject.c
…
init-mm.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
internal.h
…
interval_tree.c
…
Kconfig
…
Kconfig.debug
kmemcheck: rip it out
2018-02-22 15:42:24 +01:00
khugepaged.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kmemleak-test.c
…
kmemleak.c
kmemcheck: remove annotations
2018-02-22 15:42:23 +01:00
ksm.c
…
list_lru.c
mm: memcontrol: use vmalloc fallback for large kmem memcg arrays
2017-10-03 17:54:25 -07:00
maccess.c
…
madvise.c
mm/madvise.c: fix madvise() infinite loop under special circumstances
2017-12-05 11:26:29 +01:00
Makefile
kmemcheck: rip it out
2018-02-22 15:42:24 +01:00
memblock.c
…
memcontrol.c
Revert "defer call to mem_cgroup_sk_alloc()"
2018-02-13 10:19:48 +01:00
memory_hotplug.c
mm/memory_hotplug: define find_{smallest|biggest}_section_pfn as unsigned long
2017-10-03 17:54:26 -07:00
memory-failure.c
x86/mm, mm/hwpoison: Don't unconditionally unmap kernel 1:1 pages
2018-02-22 15:42:31 +01:00
memory.c
mm: hide a #warning for COMPILE_TEST
2018-02-22 15:42:27 +01:00
mempolicy.c
mm/mempolicy: fix NUMA_INTERLEAVE_HIT counter
2017-10-13 16:18:32 -07:00
mempool.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mincore.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mlock.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mm_init.c
…
mmap.c
mm, oom_reaper: fix memory corruption
2017-12-20 10:10:18 +01:00
mmu_context.c
…
mmu_notifier.c
…
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
mm/mprotect: add a cond_resched() inside change_pmd_range()
2018-01-10 09:31:17 +01:00
mremap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nobootmem.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
…
oom_kill.c
mm, oom_reaper: fix memory corruption
2017-12-20 10:10:18 +01:00
page_alloc.c
kmemcheck: remove annotations
2018-02-22 15:42:23 +01:00
page_counter.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_ext.c
mm/page_ext.c: check if page_ext is not prepared
2017-11-24 08:37:05 +01:00
page_idle.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_io.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_isolation.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_owner.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_poison.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
page_vma_mapped.c
mm, page_vma_mapped: Drop faulty pointer arithmetics in check_pte()
2018-01-23 19:58:21 +01:00
page-writeback.c
…
pagewalk.c
mm/pagewalk.c: report holes in hugetlb ranges
2017-11-24 08:37:04 +01:00
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-stats.c
…
percpu-vm.c
…
percpu.c
mm, percpu: add support for __GFP_NOWARN flag
2017-10-19 13:13:49 +01:00
pgtable-generic.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
process_vm_access.c
…
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
…
rmap.c
…
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
…
slab_common.c
kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK
2018-02-22 15:42:23 +01:00
slab.c
kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK
2018-02-22 15:42:23 +01:00
slab.h
kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK
2018-02-22 15:42:23 +01:00
slob.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
slub.c
kmemcheck: rip it out
2018-02-22 15:42:24 +01:00
sparse-vmemmap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sparse.c
mm/sparse.c: wrong allocation for mem_section
2018-01-10 09:31:17 +01:00
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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_state.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap.c
mm: avoid marking swap cached page as lazyfree
2017-10-03 17:54:24 -07:00
swapfile.c
mm, swap: fix race between swap count continuation operations
2017-11-03 07:39:19 -07:00
truncate.c
…
usercopy.c
…
userfaultfd.c
…
util.c
…
vmacache.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
vmalloc.c
vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems
2018-02-25 11:08:04 +01:00
vmpressure.c
…
vmscan.c
mm,vmscan: Make unregister_shrinker() no-op if register_shrinker() failed.
2018-02-25 11:07:46 +01:00
vmstat.c
…
workingset.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
z3fold.c
mm/z3fold.c: use kref to prevent page free/compact race
2017-11-30 08:40:44 +00:00
zbud.c
…
zpool.c
…
zsmalloc.c
zsmalloc: calling zs_map_object() from irq is a bug
2017-12-14 09:53:10 +01:00
zswap.c
mm, swap, frontswap: fix THP swap if frontswap enabled
2018-02-28 10:19:41 +01:00