Mike Kravetz 21205bf8f7 userfaultfd: hugetlbfs: reserve count on error in __mcopy_atomic_hugetlb ...

If __mcopy_atomic_hugetlb exits with an error, put_page will be called
if a huge page was allocated and needs to be freed.  If a reservation
was associated with the huge page, the PagePrivate flag will be set.
Clear PagePrivate before calling put_page/free_huge_page so that the
global reservation count is not incremented.

Link: http://lkml.kernel.org/r/20161216144821.5183-26-aarcange@redhat.com
Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: Michael Rapoport <RAPOPORT@il.ibm.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2017-02-22 16:41:28 -08:00

..

kasan

Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

2017-02-22 10:46:44 -08:00

backing-dev.c

block: fix double-free in the failure path of cgwb_bdi_init()

2017-02-08 13:52:01 -07:00

balloon_compaction.c

…

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

…

cma_debug.c

…

cma.c

mm/cma: Cleanup highmem check

2017-01-11 13:56:49 +00:00

cma.h

…

compaction.c

mm, compaction: allow compaction for GFP_NOFS requests

2016-12-14 16:04:07 -08:00

debug_page_ref.c

…

debug.c

mm, debug: print raw struct page data in __dump_page()

2016-12-12 18:55:08 -08:00

dmapool.c

…

early_ioremap.c

…

fadvise.c

mm: fadvise: avoid expensive remote LRU cache draining after FADV_DONTNEED

2016-12-20 09:48:46 -08:00

failslab.c

…

filemap.c

mm, fs: check for fatal signals in do_generic_file_read()

2017-02-03 14:13:19 -08:00

frame_vector.c

mm: replace get_vaddr_frames() write/force parameters with gup_flags

2016-10-19 08:11:24 -07:00

frontswap.c

…

gup.c

userfaultfd: hugetlbfs: gup: support VM_FAULT_RETRY

2017-02-22 16:41:28 -08:00

highmem.c

…

huge_memory.c

mm/huge_memory.c: respect FOLL_FORCE/FOLL_COW for thp

2017-01-24 16:26:14 -08:00

hugetlb_cgroup.c

…

hugetlb.c

userfaultfd: hugetlbfs: gup: support VM_FAULT_RETRY

2017-02-22 16:41:28 -08:00

hwpoison-inject.c

…

init-mm.c

mm: Add a user_ns owner to mm_struct and fix ptrace permission checks

2016-11-22 11:49:48 -06:00

internal.h

mm, page_alloc: don't convert pfn to idx when merging

2017-02-22 16:41:27 -08:00

interval_tree.c

…

Kconfig

mm: THP page cache support for ppc64

2016-12-12 18:55:08 -08:00

Kconfig.debug

PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO

2016-09-13 02:35:27 +02:00

khugepaged.c

mm: get rid of __GFP_OTHER_NODE

2017-01-10 18:31:55 -08:00

kmemcheck.c

…

kmemleak-test.c

…

kmemleak.c

kmemleak: fix reference to Documentation

2016-12-12 18:55:07 -08:00

ksm.c

mm,ksm: add __GFP_HIGH to the allocation in alloc_stable_node()

2016-10-07 18:46:29 -07:00

list_lru.c

mm/list_lru.c: avoid error-path NULL pointer deref

2016-10-27 18:43:42 -07:00

maccess.c

…

madvise.c

userfaultfd: non-cooperative: avoid MADV_DONTNEED race condition

2017-02-22 16:41:28 -08:00

Makefile

Disable the __builtin_return_address() warning globally after all

2016-10-12 10:23:41 -07:00

memblock.c

mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping

2016-10-11 15:06:33 -07:00

memcontrol.c

slab: use memcg_kmem_cache_wq for slab destruction operations

2017-02-22 16:41:27 -08:00

memory_hotplug.c

base/memory, hotplug: fix a kernel oops in show_valid_zones()

2017-02-03 14:13:19 -08:00

memory-failure.c

mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked

2016-12-25 11:54:48 -08:00

memory.c

userfaultfd: hugetlbfs: fix __mcopy_atomic_hugetlb retry/error processing

2017-02-22 16:41:28 -08:00

mempolicy.c

mm/mempolicy.c: do not put mempolicy before using its nodemask

2017-01-24 16:26:14 -08:00

mempool.c

…

memtest.c

…

migrate.c

mm: Use owner_priv bit for PageSwapCache, valid when PageSwapBacked

2016-12-25 11:54:48 -08:00

mincore.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

mlock.c

thp: fix corner case of munlock() of PTE-mapped THPs

2016-11-30 16:32:52 -08:00

mm_init.c

…

mmap.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

mmu_context.c

…

mmu_notifier.c

…

mmzone.c

…

mprotect.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

mremap.c

userfaultfd: non-cooperative: optimize mremap_userfaultfd_complete()

2017-02-22 16:41:28 -08:00

msync.c

…

nobootmem.c

mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping

2016-10-11 15:06:33 -07:00

nommu.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

oom_kill.c

oom: print nodemask in the oom report

2016-10-07 18:46:29 -07:00

page_alloc.c

oom, trace: add compaction retry tracepoint

2017-02-22 16:41:27 -08:00

page_counter.c

…

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

…

page_io.c

writeback: add wbc_to_write_flags()

2016-11-02 10:24:03 -06:00

page_isolation.c

mm, page_alloc: avoid page_to_pfn() when merging buddies

2017-02-22 16:41:27 -08:00

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

…

page-writeback.c

block: Use pointer to backing_dev_info from request_queue

2017-02-02 08:20:48 -07:00

pagewalk.c

…

percpu-km.c

…

percpu-vm.c

…

percpu.c

Merge branch 'for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2016-12-13 12:34:47 -08:00

pgtable-generic.c

…

process_vm_access.c

mm: unexport __get_user_pages_unlocked()

2016-12-14 16:04:09 -08:00

quicklist.c

…

readahead.c

mm: don't cap request size based on read-ahead setting

2016-12-12 18:55:08 -08:00

rmap.c

mm, rmap: handle anon_vma_prepare() common case inline

2016-12-12 18:55:08 -08:00

shmem.c

tmpfs: change shmem_mapping() to test shmem_aops

2017-02-22 16:41:27 -08:00

slab_common.c

slab: use memcg_kmem_cache_wq for slab destruction operations

2017-02-22 16:41:27 -08:00

slab.c

slab: introduce __kmemcg_cache_deactivate()

2017-02-22 16:41:27 -08:00

slab.h

slab: remove synchronous synchronize_sched() from memcg cache deactivation path

2017-02-22 16:41:27 -08:00

slob.c

slab: introduce __kmemcg_cache_deactivate()

2017-02-22 16:41:27 -08:00

slub.c

slub: make sysfs directories for memcg sub-caches optional

2017-02-22 16:41:27 -08:00

sparse-vmemmap.c

treewide: replace obsolete _refok by __ref

2016-08-02 17:31:41 -04:00

sparse.c

treewide: replace obsolete _refok by __ref

2016-08-02 17:31:41 -04:00

swap_cgroup.c

…

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

mm: add PageWaiters indicating tasks are waiting for a page bit

2016-12-25 11:54:48 -08:00

swapfile.c

mm: support anonymous stable page

2017-01-10 18:31:55 -08:00

truncate.c

mm: Invalidate DAX radix tree entries only if appropriate

2016-12-26 20:29:24 -08:00

usercopy.c

mm/usercopy: Switch to using lm_alias

2017-01-11 13:56:50 +00:00

userfaultfd.c

userfaultfd: hugetlbfs: reserve count on error in __mcopy_atomic_hugetlb

2017-02-22 16:41:28 -08:00

util.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

vmacache.c

mm: unrig VMA cache hit ratio

2016-10-07 18:46:27 -07:00

vmalloc.c

mm/vmalloc.c: use rb_entry_safe

2017-02-22 16:41:27 -08:00

vmpressure.c

…

vmscan.c

mm, memcg: fix the active list aging for lowmem requests when memcg is enabled

2017-01-10 18:31:55 -08:00

vmstat.c

mm/vmstat: Convert to hotplug state machine

2016-12-02 00:52:35 +01:00

workingset.c

mm: workingset: fix use-after-free in shadow node shrinker

2017-01-07 18:22:40 -08:00

z3fold.c

…

zbud.c

…

zpool.c

…

zsmalloc.c

mm/zsmalloc: Convert to hotplug state machine

2016-12-02 00:52:36 +01:00

zswap.c

zswap: disable changing params if init fails

2017-02-03 14:13:19 -08:00