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Vladimir Davydov 05eb6e7263 radix-tree: account nodes to memcg only if explicitly requested 
Radix trees may be used not only for storing page cache pages, so
unconditionally accounting radix tree nodes to the current memory cgroup
is bad: if a radix tree node is used for storing data shared among
different cgroups we risk pinning dead memory cgroups forever.

So let's only account radix tree nodes if it was explicitly requested by
passing __GFP_ACCOUNT to INIT_RADIX_TREE.  Currently, we only want to
account page cache entries, so mark mapping->page_tree so.

Fixes: 58e698af4c63 ("radix-tree: account radix_tree_node to memory cgroup")
Link: http://lkml.kernel.org/r/1470057188-7864-1-git-send-email-vdavydov@virtuozzo.com
Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org>	[4.6+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-08-02 17:31:41 -04:00
..
9p
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
adfs
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
affs
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
afs
rxrpc: Limit the listening backlog
2016-06-10 18:14:47 -07:00
autofs4
Merge branch 'salted-string-hash'
2016-07-28 12:26:31 -07:00
befs
fs/befs/io.c:befs_bread(): remove unneeded initialization to NULL
2016-05-23 17:04:14 -07:00
bfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
btrfs
Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
2016-07-31 21:27:32 -04:00
cachefiles
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
2016-06-30 23:34:49 -04:00
ceph
Merge branch 'salted-string-hash'
2016-07-28 12:26:31 -07:00
cifs
Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
2016-07-29 11:29:13 -07:00
coda
drop redundant ->owner initializations
2016-05-29 19:08:00 -04:00
configfs
configfs: don't set buffer_needs_fill to zero if show() returns error
2016-07-10 21:02:18 +09:00
cramfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
crypto
block, fs, mm, drivers: use bio set/get op accessors
2016-06-07 13:41:38 -06:00
debugfs
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
2016-06-30 23:34:49 -04:00
devpts
userns: Remove the now unnecessary FS_USERNS_DEV_MOUNT flag
2016-06-23 15:47:31 -05:00
dlm
dlm: Use kmemdup instead of kmalloc and memcpy
2016-06-23 11:55:58 -05:00
ecryptfs
ecryptfs: don't allow mmap when the lower fs doesn't support it
2016-07-08 10:35:28 -05:00
efivarfs
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
efs
fs/efs/super.c: fix return value
2016-05-20 17:58:30 -07:00
exofs
block, fs, mm, drivers: use bio set/get op accessors
2016-06-07 13:41:38 -06:00
exportfs
introduce a parallel variant of ->iterate()
2016-05-02 19:49:29 -04:00
ext2
Merge branch 'akpm' (patches from Andrew)
2016-07-26 19:55:54 -07:00
ext4
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
f2fs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-07-28 14:22:25 -07:00
freevxfs
freevxfs: update Kconfig information
2016-06-13 10:20:39 +02:00
fscache
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
2016-06-30 23:34:49 -04:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2016-07-29 12:29:15 -07:00
gfs2
Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block
2016-07-26 15:37:51 -07:00
hfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
hfsplus
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
hostfs
hostfs: switch to ->iterate_shared()
2016-05-12 19:49:30 -04:00
hpfs
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
hugetlbfs
mm, fs: remove remaining PAGE_CACHE_* and page_cache_{get,release} usage
2016-04-04 10:41:08 -07:00
isofs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
jbd2
The major change this cycle is deleting ext4's copy of the file system
2016-07-26 18:35:55 -07:00
jffs2
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
jfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
kernfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
lockd
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
logfs
Merge branch 'salted-string-hash'
2016-07-28 12:26:31 -07:00
minix
simple local filesystems: switch to ->iterate_shared()
2016-05-02 19:49:32 -04:00
ncpfs
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
nfs
NFS client updates for Linux 4.8
2016-07-30 16:33:25 -07:00
nfs_common
…
nfsd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
nilfs2
Merge branch 'for-4.8/core' of git://git.kernel.dk/linux-block
2016-07-26 15:03:07 -07:00
nls
…
notify
fsnotify: avoid spurious EMFILE errors from inotify_init()
2016-05-19 19:12:14 -07:00
ntfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
ocfs2
ocfs2/dlm: continue to purge recovery lockres when recovery master goes down
2016-08-02 17:31:41 -04:00
omfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
openpromfs
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
orangefs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
overlayfs
ovl: simplify empty checking
2016-07-29 12:05:25 +02:00
proc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
pstore
pstore/ram: add Device Tree bindings
2016-06-14 11:34:39 -07:00
qnx4
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
qnx6
more trivial ->iterate_shared conversions
2016-05-09 11:41:14 -04:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
ramfs
tmpfs/ramfs: fix VM_MAYSHARE mappings for NOMMU
2016-05-20 17:58:30 -07:00
reiserfs
Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block
2016-07-26 15:37:51 -07:00
romfs
romfs, squashfs: switch to ->iterate_shared()
2016-05-09 11:41:15 -04:00
squashfs
fs: have ll_rw_block users pass in op and flags separately
2016-06-07 13:41:38 -06:00
sysfs
kernfs: The cgroup filesystem also benefits from SB_I_NOEXEC
2016-06-23 15:41:56 -05:00
sysv
vfs: make the string hashes salt the hash
2016-06-10 20:21:46 -07:00
tracefs
tracefs: ->d_parent is never NULL or negative...
2016-05-29 16:22:07 -04:00
ubifs
UBIFS: Implement ->migratepage()
2016-06-23 00:29:53 +02:00
udf
Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block
2016-07-26 15:37:51 -07:00
ufs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
xfs
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
aio.c
aio: make aio_setup_ring killable
2016-05-23 17:04:14 -07:00
anon_inodes.c
…
attr.c
vfs: Don't modify inodes with a uid or gid unknown to the vfs
2016-07-05 15:06:46 -05:00
bad_inode.c
switch ->setxattr() to passing dentry and inode separately
2016-05-27 20:09:16 -04:00
binfmt_aout.c
fs: fix binfmt_aout.c build error
2016-05-28 16:34:59 -07:00
binfmt_elf_fdpic.c
coredump: fix dumping through pipes
2016-06-07 22:07:09 -04:00
binfmt_elf.c
coredump: fix dumping through pipes
2016-06-07 22:07:09 -04:00
binfmt_em86.c
…
binfmt_flat.c
remove lots of IS_ERR_VALUE abuses
2016-05-27 15:26:11 -07:00
binfmt_misc.c
binfmt_misc: ->s_root is not going anywhere
2016-05-29 19:14:03 -04:00
binfmt_script.c
…
block_dev.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
buffer.c
xfs: update for 4.8-rc1
2016-07-27 09:53:35 -07:00
char_dev.c
chardev: add missing line break in pr_warn
2016-07-14 16:21:53 +09:00
compat_binfmt_elf.c
…
compat_ioctl.c
[media] cec: add compat32 ioctl support
2016-06-28 10:00:13 -03:00
compat.c
Fix a number of bugs, most notably a potential stale data exposure
2016-05-24 12:55:26 -07:00
coredump.c
coredump: fix dumping through pipes
2016-06-07 22:07:09 -04:00
dax.c
libnvdimm for 4.8
2016-07-28 17:38:16 -07:00
dcache.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-07-28 12:59:05 -07:00
dcookies.c
…
direct-io.c
direct-io: use bio set/get op accessors
2016-06-07 13:41:38 -06:00
drop_caches.c
…
eventfd.c
eventfd: document lockless access in eventfd_poll
2016-03-22 15:36:02 -07:00
eventpoll.c
fs: poll/select/recvmmsg: use timespec64 for timeout events
2016-05-19 19:12:14 -07:00
exec.c
fs: Treat foreign mounts as nosuid
2016-06-24 10:40:41 -05:00
fcntl.c
…
fhandle.c
fs/coredump: prevent fsuid=0 dumps into user-controlled directories
2016-03-22 15:36:02 -07:00
file_table.c
…
file.c
give readdir(2)/getdents(2)/etc. uniform exclusion with lseek()
2016-05-02 19:49:28 -04:00
filesystems.c
find_filesystem(): simplify comparison
2016-01-19 12:02:23 -05:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
mm: move most file-based accounting to the node
2016-07-28 16:07:41 -07:00
inode.c
radix-tree: account nodes to memcg only if explicitly requested
2016-08-02 17:31:41 -04:00
internal.h
xfs: update for 4.8-rc1
2016-07-27 09:53:35 -07:00
ioctl.c
vfs: ioctl: prevent double-fetch in dedupe ioctl
2016-07-28 15:23:12 -07:00
iomap.c
fs: iomap based fiemap implementation
2016-06-21 09:38:45 +10:00
Kconfig
fs: introduce iomap infrastructure
2016-06-21 09:23:11 +10:00
Kconfig.binfmt
ELF/MIPS build fix
2016-05-23 17:04:14 -07:00
libfs.c
lockless next_positive()
2016-06-20 17:11:29 -04:00
locks.c
locks: use file_inode()
2016-07-01 10:24:18 -04:00
Makefile
fs: introduce iomap infrastructure
2016-06-21 09:23:11 +10:00
mbcache.c
mbcache: add reusable flag to cache entries
2016-02-22 22:44:04 -05:00
mount.h
…
mpage.c
Merge branch 'akpm' (patches from Andrew)
2016-07-26 19:55:54 -07:00
namei.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
namespace.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
no-block.c
…
nsfs.c
…
open.c
vfs: merge .d_select_inode() into .d_real()
2016-06-30 08:53:27 +02:00
pipe.c
pipe: account to kmemcg
2016-07-26 16:19:19 -07:00
pnode.c
propogate_mnt: Handle the first propogated copy being a slave
2016-05-05 09:54:45 -05:00
pnode.h
…
posix_acl.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
proc_namespace.c
vfs: show_vfsstat: do not ignore errors from show_devname method
2016-03-16 13:09:08 -04:00
read_write.c
x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2
2016-07-15 10:30:26 +02:00
readdir.c
restore killability of old mutex_lock_killable(&inode->i_mutex) users
2016-05-26 00:13:25 -04:00
select.c
fs: poll/select/recvmmsg: use timespec64 for timeout events
2016-05-19 19:12:14 -07:00
seq_file.c
Make file credentials available to the seqfile interfaces
2016-04-14 12:56:09 -07:00
signalfd.c
…
splice.c
Merge branch 'ovl-fixes' into for-linus
2016-05-11 00:00:29 -04:00
stack.c
…
stat.c
fs/stat.c: drop the last new_valid_dev check
2016-01-16 11:17:23 -08:00
statfs.c
…
super.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2016-07-29 15:54:19 -07:00
sync.c
mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros
2016-04-04 10:41:08 -07:00
timerfd.c
timerfd: Reject ALARM timerfds without CAP_WAKE_ALARM
2016-06-09 23:42:38 +02:00
userfaultfd.c
mm: introduce fault_env
2016-07-26 16:19:19 -07:00
utimes.c
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
xattr.c
vfs: Don't modify inodes with a uid or gid unknown to the vfs
2016-07-05 15:06:46 -05:00