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822bca52ee
linux/fs
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Matthew Wilcox (Oracle) 8cf886463e proc: optimise smaps for shmem entries 
Avoid bumping the refcount on pages when we're only interested in the
swap entries.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Link: https://lkml.kernel.org/r/20200910183318.20139-5-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-10-13 18:38:29 -07:00
..
9p bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag 2020-09-24 13:43:39 -06:00
adfs treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
affs affs: fix basic permission bits to actually work 2020-08-31 12:20:31 +02:00
afs block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
autofs autofs: use __kernel_write() for the autofs pipe writing 2020-09-29 17:18:34 -07:00
befs block: move struct block_device to blk_types.h 2020-06-24 09:16:02 -06:00
bfs
btrfs block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
cachefiles cachefiles: switch to kernel_write 2020-07-08 08:27:56 +02:00
ceph We have an inode number handling change, prompted by s390x which is 2020-08-28 10:33:04 -07:00
cifs cifs: Fix incomplete memory allocation on setxattr path 2020-10-10 15:52:54 -07:00
coda docs: filesystems: convert coda.txt to ReST 2020-05-05 09:22:21 -06:00
configfs treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
cramfs
crypto fscrypt: export fscrypt_d_revalidate() 2020-09-28 14:44:51 -07:00
debugfs debugfs: Fix module state check condition 2020-09-04 18:12:52 +02:00
devpts
dlm dlm for 5.10 2020-10-13 08:59:39 -07:00
ecryptfs mm, treewide: rename kzfree() to kfree_sensitive() 2020-08-07 11:33:22 -07:00
efivarfs efivarfs: Replace invalid slashes with exclamation marks in dentries. 2020-09-25 23:29:04 +02:00
efs block: move struct block_device to blk_types.h 2020-06-24 09:16:02 -06:00
erofs erofs: remove unnecessary enum entries 2020-10-09 10:37:42 +08:00
exfat exfat: fix use of uninitialized spinlock on error path 2020-10-07 14:27:13 +09:00
exportfs
ext2 ext2: don't update mtime on COW faults 2020-09-05 10:00:05 -07:00
ext4 fscrypt: make fscrypt_set_test_dummy_encryption() take a 'const char *' 2020-09-22 06:48:52 -07:00
f2fs fscrypt updates for 5.10 2020-10-13 08:54:00 -07:00
fat fat: fix fat_ra_init() for data clusters == 0 2020-08-12 10:58:01 -07:00
freevxfs
fscache Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
fuse block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
gfs2 Fix memory leak on filesystem withdraw 2020-08-28 10:41:00 -07:00
hfs block: move block-related definitions out of fs.h 2020-06-24 09:16:02 -06:00
hfsplus treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
hostfs
hpfs hpfs: fix warning due to superfluous semicolon 2020-06-06 10:08:17 -07:00
hugetlbfs hugetlbfs: prevent filesystem stacking of hugetlbfs 2020-08-12 10:57:56 -07:00
iomap treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
isofs Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
jbd2 jbd2: clean up checksum verification in do_one_pass() 2020-08-19 12:04:35 -04:00
jffs2 treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
jfs block: move struct block_device to blk_types.h 2020-06-24 09:16:02 -06:00
kernfs fsnotify: pass dir and inode arguments to fsnotify() 2020-07-27 23:15:48 +02:00
lockd
minix fs/minix: remove expected error message in block_to_path() 2020-08-12 10:58:00 -07:00
nfs block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
nfs_common treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nfsd block: add a bdev_is_partition helper 2020-09-25 08:18:57 -06:00
nilfs2 treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
nls treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
notify treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ntfs ntfs: add check for mft record size in superblock 2020-10-13 18:38:27 -07:00
ocfs2 ocfs2: fix potential soft lockup during fstrim 2020-10-13 18:38:27 -07:00
omfs treewide: Remove uninitialized_var() usage 2020-07-16 12:35:15 -07:00
openpromfs
orangefs orangefs: remove unnecessary assignment to variable ret 2020-08-04 15:01:58 -04:00
overlayfs Remove uninitialized_var() macro for v5.9-rc1 2020-08-04 13:49:43 -07:00
proc proc: optimise smaps for shmem entries 2020-10-13 18:38:29 -07:00
pstore treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
qnx4
qnx6 fs: convert mpage_readpages to mpage_readahead 2020-06-02 10:59:07 -07:00
quota Merge branch 'work.quota-compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:37:13 -07:00
ramfs
reiserfs \n 2020-08-06 19:28:26 -07:00
romfs romfs: fix uninitialized memory leak in romfs_dev_read() 2020-08-21 09:52:53 -07:00
squashfs squashfs: avoid bio_alloc() failure with 1Mbyte blocks 2020-08-21 09:52:53 -07:00
sysfs RDMA 5.8 merge window pull request 2020-06-05 14:05:57 -07:00
sysv
tracefs
ubifs block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
udf treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
ufs treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
unicode
vboxsf block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
verity fs-verity: use smp_load_acquire() for ->i_verity_info 2020-07-21 16:02:41 -07:00
xfs Fixes (2) for 5.9: 2020-09-05 10:04:53 -07:00
zonefs zonefs: add zone-capacity support 2020-08-11 17:42:24 +09:00
aio.c Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:35:51 -07:00
anon_inodes.c
attr.c
bad_inode.c fs: move the fiemap definitions out of fs.h 2020-06-03 23:16:55 -04:00
binfmt_aout.c exec: Rename flush_old_exec begin_new_exec 2020-05-07 16:55:47 -05:00
binfmt_elf_fdpic.c Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
binfmt_elf.c kill elf_fpxregs_t 2020-07-27 14:29:23 -04:00
binfmt_em86.c Merge branch 'akpm' (patches from Andrew) 2020-06-04 19:18:29 -07:00
binfmt_flat.c binfmt_flat: revert "binfmt_flat: don't offset the data start" 2020-08-24 08:49:13 +10:00
binfmt_misc.c Merge branch 'akpm' (patches from Andrew) 2020-06-04 19:18:29 -07:00
binfmt_script.c Merge branch 'akpm' (patches from Andrew) 2020-06-04 19:18:29 -07:00
block_dev.c block: add a bdget_part helper 2020-10-05 10:38:33 -06:00
buffer.c fs: Don't invalidate page buffers in block_write_full_page() 2020-09-07 10:23:07 -06:00
char_dev.c vfs: allow unprivileged whiteout creation 2020-05-14 16:44:23 +02:00
compat_binfmt_elf.c Split the old READ_IMPLIES_EXEC workaround from executable PT_GNU_STACK 2020-06-05 13:45:21 -07:00
coredump.c coredump: add %f for executable filename 2020-08-12 10:58:01 -07:00
d_path.c
dax.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
dcache.c vfs: Use sequence counter with associated spinlock 2020-07-29 16:14:27 +02:00
dcookies.c
direct-io.c fs: remove no longer used dio_end_io() 2020-10-07 12:17:59 +02:00
drop_caches.c
eventfd.c eventfd: convert to f_op->read_iter() 2020-05-06 22:33:43 -04:00
eventpoll.c ep_create_wakeup_source(): dentry name can change under you... 2020-09-24 19:41:58 -04:00
exec.c io_uring: don't rely on weak ->files references 2020-09-30 20:32:32 -06:00
fcntl.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
fhandle.c
file_table.c Revert "fs: Do not check if there is a fsnotify watcher on pseudo inodes" 2020-06-29 09:40:55 -07:00
file.c io_uring: don't rely on weak ->files references 2020-09-30 20:32:32 -06:00
filesystems.c
fs_context.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
fs_parser.c fs_parse: mark fs_param_bad_value() as static 2020-10-13 18:38:27 -07:00
fs_pin.c
fs_struct.c vfs: Use sequence counter with associated spinlock 2020-07-29 16:14:27 +02:00
fs_types.c
fs-writeback.c block-5.10-2020-10-12 2020-10-13 12:12:44 -07:00
fsopen.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
init.c init: add an init_dup helper 2020-08-04 21:02:38 -04:00
inode.c AFS Changes 2020-06-05 16:26:36 -07:00
internal.h fs: remove compat_sys_mount 2020-09-22 23:45:57 -04:00
io_uring.c io_uring-5.10-2020-10-12 2020-10-13 12:36:21 -07:00
io-wq.c io-wq: kill unused IO_WORKER_F_EXITING 2020-09-30 20:32:34 -06:00
io-wq.h io_uring: add blkcg accounting to offloaded operations 2020-09-30 20:32:34 -06:00
ioctl.c fs: remove ksys_ioctl 2020-07-31 08:16:01 +02:00
Kconfig tmpfs: support 64-bit inums per-sb 2020-08-07 11:33:24 -07:00
Kconfig.binfmt treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
libfs.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
locks.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
Makefile fs: remove compat_sys_mount 2020-09-22 23:45:57 -04:00
mbcache.c
mount.h proc/mounts: add cursor 2020-05-14 16:44:24 +02:00
mpage.c fs: convert mpage_readpages to mpage_readahead 2020-06-02 10:59:07 -07:00
namei.c fs: remove the unused SB_I_MULTIROOT flag 2020-09-24 13:43:38 -06:00
namespace.c Merge branch 'compat.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:44:57 -07:00
no-block.c
nsfs.c nsproxy: attach to namespaces via pidfds 2020-05-13 11:41:22 +02:00
open.c exec: move S_ISREG() check earlier 2020-08-12 10:58:01 -07:00
pipe.c Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-11 11:11:35 -07:00
pnode.c
pnode.h
posix_acl.c vfs: clean up posix_acl_permission() logic aroudn MAY_NOT_BLOCK 2020-06-08 11:04:19 -07:00
proc_namespace.c Merge branch 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2020-06-04 13:54:34 -07:00
read_write.c Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:35:51 -07:00
readdir.c fs: remove ksys_getdents64 2020-07-31 08:16:00 +02:00
select.c pselect6() and friends: take handling the combined 6th/7th args into helper 2020-05-29 19:10:42 -04:00
seq_file.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
signalfd.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
splice.c Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-12 16:35:51 -07:00
stack.c
stat.c New code for 5.8: 2020-06-02 19:45:12 -07:00
statfs.c
super.c bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag 2020-09-24 13:43:39 -06:00
sync.c overlayfs update for 5.8 2020-06-09 15:40:50 -07:00
timerfd.c
userfaultfd.c A set of locking fixes and updates: 2020-08-10 19:07:44 -07:00
utimes.c fs: expose utimes_common 2020-07-31 08:16:01 +02:00
xattr.c fs/xattr.c: fix kernel-doc warnings for setxattr & removexattr 2020-10-13 18:38:27 -07:00