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linux/fs
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Vlastimil Babka e67d5ea53a UPSTREAM: mm, proc: add KReclaimable to /proc/meminfo 
The vmstat NR_KERNEL_MISC_RECLAIMABLE counter is for kernel non-slab
allocations that can be reclaimed via shrinker.  In /proc/meminfo, we can
show the sum of all reclaimable kernel allocations (including slab) as
"KReclaimable".  Add the same counter also to per-node meminfo under /sys

With this counter, users will have more complete information about kernel
memory usage.  Non-slab reclaimable pages (currently just the ION
allocator) will not be missing from /proc/meminfo, making users wonder
where part of their memory went.  More precisely, they already appear in
MemAvailable, but without the new counter, it's not obvious why the value
in MemAvailable doesn't fully correspond with the sum of other counters
participating in it.

Link: http://lkml.kernel.org/r/20180731090649.16028-6-vbabka@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Vijayanand Jitta <vjitta@codeaurora.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

(cherry picked from commit 61f94e18de)

Bug: 138148041
Test: verify KReclaimable accounting after ION allocation+deallocation
Change-Id: Ida18baca310216070f9e119fb6b1b7510db59d7a
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
2019-12-13 14:04:45 -08:00
..
9p 9p: avoid attaching writeback_fid on mmap with type PRIVATE 2019-10-11 18:21:13 +02:00
adfs fs/adfs: super: fix use-after-free bug 2019-08-06 19:06:49 +02:00
affs
afs afs: Fix leak in afs_lookup_cell_rcu() 2019-09-10 10:33:52 +01:00
autofs autofs: fix a leak in autofs_expire_indirect() 2019-12-13 08:51:01 +01:00
befs
bfs bfs: add sanity check at bfs_fill_super() 2018-12-01 09:37:27 +01:00
btrfs btrfs: only track ref_heads in delayed_ref_updates 2019-12-05 09:20:23 +01:00
cachefiles fscache, cachefiles: remove redundant variable 'cache' 2018-12-17 09:24:40 +01:00
ceph ceph: return -EINVAL if given fsc mount option on kernel w/o support 2019-12-05 09:19:45 +01:00
cifs CIFS: Fix SMB2 oplock break processing 2019-12-13 08:52:42 +01:00
coda coda: add error handling for fget 2019-08-06 19:06:51 +02:00
configfs configfs: fix a deadlock in configfs_symlink() 2019-11-12 19:20:47 +01:00
cramfs Cramfs: fix abad comparison when wrap-arounds occur 2018-11-13 11:08:55 -08:00
crypto BACKPORT: FROMLIST: fscrypt: add inline encryption support 2019-11-14 14:47:50 -08:00
debugfs debugfs: fix use-after-free on symlink traversal 2019-05-08 07:21:48 +02:00
devpts fs/devpts: always delete dcache dentry-s in dput() 2019-03-23 20:09:59 +01:00
dlm dlm: fix invalid cluster name warning 2019-12-13 08:52:23 +01:00
ecryptfs ecryptfs_lookup_interpose(): lower_dentry->d_parent is not stable either 2019-11-20 18:45:18 +01:00
efivarfs
efs
exofs exofs_mount(): fix leaks on failure exits 2019-12-05 09:20:32 +01:00
exportfs exportfs_decode_fh(): negative pinned may become positive without the parent locked 2019-12-13 08:51:02 +01:00
ext2 ext2: Fix underflow in ext2_max_size() 2019-03-23 20:10:03 +01:00
ext4 This is the 4.19.88 stable release 2019-12-05 12:02:49 +01:00
f2fs f2fs: fix to allow node segment for GC by ioctl path 2019-12-13 08:51:51 +01:00
fat fat: work around race with userspace's read via blockdev while mounting 2019-10-07 18:57:14 +02:00
freevxfs
fscache fscache: fix race between enablement and dropping of object 2018-12-17 09:24:40 +01:00
fuse fuse: verify attributes 2019-12-13 08:52:36 +01:00
gfs2 gfs2: take jdata unstuff into account in do_grow 2019-12-05 09:20:36 +01:00
hfs fs/hfs/extent.c: fix array out of bounds read of array extent 2019-12-01 09:17:10 +01:00
hfsplus hfsplus: update timestamps on truncate() 2019-12-01 09:17:09 +01:00
hostfs vfs: discard ATTR_ATTR_FLAG 2018-08-17 16:20:28 -07:00
hpfs hpfs: remove unnecessary checks on the value of r when assigning error code 2018-08-25 12:42:33 -07:00
hugetlbfs This is the 4.19.45 stable release 2019-05-22 08:00:39 +02:00
isofs isofs: reject hardware sector size > 2048 bytes 2018-08-21 11:37:41 +02:00
jbd2 jbd2: introduce jbd2_inode dirty range scoping 2019-07-28 08:29:29 +02:00
jffs2 FROMLIST: jffs2: pass the correct prototype to read_cache_page 2019-05-20 17:46:45 -07:00
jfs Just one jfs patch for 4.19 2018-08-15 22:47:23 -07:00
kernfs This is the 4.19.89 stable release 2019-12-13 10:01:10 +01:00
lockd lockd: fix decoding of TEST results 2019-12-13 08:51:59 +01:00
minix
nfs This is the 4.19.86 stable release 2019-11-25 10:00:06 +01:00
nfs_common
nfsd nfsd: Return EPERM, not EACCES, in some SETATTR cases 2019-12-13 08:52:26 +01:00
nilfs2 nilfs2: convert to SPDX license tags 2018-09-04 16:45:02 -07:00
nls
notify UPSTREAM: Make anon_inodes unconditional 2019-08-12 13:36:37 -04:00
ntfs ntfs: mft: remove VLA usage 2018-08-17 16:20:27 -07:00
ocfs2 ocfs2: clear journal dirty flag after shutdown journal 2019-12-05 09:20:56 +01:00
omfs
openpromfs
orangefs orangefs: rate limit the client not running info message 2019-11-24 08:20:57 +01:00
overlayfs ANDROID: regression introduced override_creds=off 2019-11-06 15:30:32 +00:00
proc UPSTREAM: mm, proc: add KReclaimable to /proc/meminfo 2019-12-13 14:04:45 -08:00
pstore pstore/ram: Avoid NULL deref in ftrace merging failure path 2019-12-13 08:52:24 +01:00
qnx4
qnx6
quota quota: fix a problem about transfer quota 2019-07-14 08:11:15 +02:00
ramfs
reiserfs reiserfs: propagate errors from fill_with_dentries() properly 2018-11-27 16:12:59 +01:00
romfs
sdcardfs ANDROID: sdcardfs: evict dentries on fscrypt key removal 2019-10-23 11:12:33 -07:00
squashfs Squashfs: Compute expected length from inode size rather than block length 2018-08-02 09:34:02 -07:00
sysfs Driver core patches for 4.19-rc1 2018-08-18 11:44:53 -07:00
sysv sysv: return 'err' instead of 0 in __sysv_write_inode 2018-12-17 09:24:30 +01:00
tracefs
ubifs This is the 4.19.88 stable release 2019-12-05 12:02:49 +01:00
udf udf: Fix crash during mount 2019-11-20 18:46:04 +01:00
ufs ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour 2019-05-25 18:23:46 +02:00
unicode ext4: optimize case-insensitive lookups 2019-09-23 13:23:30 -07:00
verity fs-verity: support builtin file signatures 2019-09-23 14:11:56 -07:00
xfs xfs: add missing error check in xfs_prepare_shift() 2019-12-13 08:52:57 +01:00
aio.c Fix aio_poll() races 2019-05-02 09:58:59 +02:00
anon_inodes.c
attr.c ANDROID: vfs: Add permission2 for filesystems with per mount permissions 2018-12-05 09:48:14 -08:00
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c
binfmt_elf.c binfmt_elf: Do not move brk for INTERP-less ET_EXEC 2019-10-05 13:10:06 +02:00
binfmt_em86.c
binfmt_flat.c fs/binfmt_flat.c: make load_flat_shared_library() work 2019-07-03 13:14:44 +02:00
binfmt_misc.c
binfmt_script.c exec: load_script: Do not exec truncated interpreter path 2019-11-06 13:05:37 +01:00
block_dev.c block: fix the return errno for direct IO 2019-04-17 08:38:52 +02:00
buffer.c BACKPORT: FROMLIST: ext4: add inline encryption support 2019-11-14 14:47:50 -08:00
char_dev.c chardev: add additional check for minor range overlap 2019-05-31 06:46:27 -07:00
compat_binfmt_elf.c
compat_ioctl.c media: dvb: fix compat ioctl translation 2019-11-20 18:46:33 +01:00
compat.c
coredump.c ANDROID: vfs: Add setattr2 for filesystems with per mount permissions 2018-12-05 09:48:13 -08:00
d_path.c
dax.c dax: dax_layout_busy_page() should not unmap cow pages 2019-08-16 10:12:52 +02:00
dcache.c UPSTREAM: dcache: allocate external names from reclaimable kmalloc caches 2019-12-13 14:04:22 -08:00
dcookies.c
direct-io.c direct-io: allow direct writes to empty inodes 2019-03-05 17:58:50 +01:00
drop_caches.c fs/drop_caches.c: avoid softlockups in drop_pagecache_sb() 2019-03-13 14:02:32 -07:00
eventfd.c
eventpoll.c UPSTREAM: PM / wakeup: Show wakeup sources stats in sysfs 2019-10-11 14:04:42 -07:00
exec.c This is the 4.19.64 stable release 2019-08-04 09:37:11 +02:00
fcntl.c signal: Don't send signals to tasks that don't exist 2018-08-15 23:03:20 -05:00
fhandle.c
file_table.c overlayfs update for 4.19 2018-08-21 18:19:09 -07:00
file.c fs/file.c: initialize init_files.resize_wait 2019-04-05 22:32:59 +02:00
filesystems.c
fs_pin.c
fs_struct.c ANDROID: properly export new symbols with _GPL tag 2019-10-01 09:41:17 +02:00
fs-writeback.c cgroup,writeback: don't switch wbs immediately on dead wbs if the memcg is dead 2019-11-12 19:21:20 +01:00
inode.c Merge remote-tracking branch 'origin/upstream-f2fs-stable-linux-4.19.y' into android-4.19 2019-07-31 21:34:30 -07:00
internal.h This is the 4.19.47 stable release 2019-05-31 08:14:29 -07:00
ioctl.c vfs: fix FIGETBSZ ioctl on an overlayfs file 2018-11-21 09:19:14 +01:00
iomap.c iomap: partially revert 4721a60109 (simulated directio short read on EFAULT) 2019-12-13 08:52:56 +01:00
Kconfig Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19 2019-10-07 13:29:05 -07:00
Kconfig.binfmt
libfs.c Fix the locking in dcache_readdir() and friends 2019-10-17 13:45:35 -07:00
locks.c overlayfs update for 4.19 2018-08-21 18:19:09 -07:00
Makefile Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19 2019-10-07 13:29:05 -07:00
mbcache.c
mount.h
mpage.c f2fs: fix build error on android tracepoints 2019-08-17 00:18:14 +00:00
namei.c ANDROID: Add a tracepoint for mapping inode to full path 2019-08-27 21:50:14 +00:00
namespace.c UPSTREAM: fs/namespace: untag user pointers in copy_mount_options 2019-10-07 15:27:40 -04:00
no-block.c
nsfs.c dcache: sort the freeing-without-RCU-delay mess for good. 2019-05-25 18:23:26 +02:00
open.c This is the 4.19.63 stable release 2019-07-31 08:03:42 +02:00
pipe.c fs: prevent page refcount overflow in pipe_buf_get 2019-05-04 09:20:11 +02:00
pnode.c ANDROID: mnt: Propagate remount correctly 2019-01-19 01:25:07 +00:00
pnode.h ANDROID: mnt: Add filesystem private data to mount points 2018-12-05 09:48:13 -08:00
posix_acl.c
proc_namespace.c ANDROID: vfs: Allow filesystems to access their private mount data 2018-12-05 09:48:13 -08:00
read_write.c This is the 4.19.87 stable release 2019-12-01 09:53:43 +01:00
readdir.c
select.c
seq_file.c seq_file: fix problem when seeking mid-record 2019-08-25 10:47:43 +02:00
signalfd.c
splice.c splice: don't read more than available pipe space 2019-12-13 08:52:55 +01:00
stack.c
stat.c
statfs.c vfs: Fix EOVERFLOW testing in put_compat_statfs64 2019-10-11 18:21:39 +02:00
super.c Merge remote-tracking branch 'aosp/upstream-f2fs-stable-linux-4.19.y' into android-4.19 2019-10-07 13:29:05 -07:00
sync.c ANDROID: taskstats: track fsync syscalls 2018-12-05 09:48:12 -08:00
timerfd.c Merge branch 'work.aio' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2018-08-13 20:56:23 -07:00
userfaultfd.c UPSTREAM: userfaultfd: untag user pointers 2019-10-07 15:27:41 -04:00
utimes.c ANDROID: vfs: Add setattr2 for filesystems with per mount permissions 2018-12-05 09:48:13 -08:00
xattr.c ANDROID: Add optional __get xattr method paired to __vfs_getxattr 2019-11-06 15:27:46 +00:00