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Jason A. Donenfeld 8614d6c5ed mm: do not show fs mm pc for VM_LOCKONFAULT pages 
When VM_LOCKONFAULT was added, /proc/PID/smaps wasn't hooked up to it, so
looking at /proc/PID/smaps, it shows '??' instead of something
intelligable.  This can be reached by userspace by simply calling
`mlock2(..., MLOCK_ONFAULT);`.

Fix this by adding "lf" to denote VM_LOCKONFAULT.

Link: https://lkml.kernel.org/r/20221205173007.580210-1-Jason@zx2c4.com
Fixes: de60f5f10c58 ("mm: introduce VM_LOCKONFAULT")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Eric B Munson <emunson@akamai.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2022-12-11 18:12:21 -08:00
..
9p
9p: Fix some kernel-doc comments
2022-07-02 18:52:21 +09:00
adfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
affs
affs: move from strlcpy with unused retval to strscpy
2022-08-19 13:03:10 +02:00
afs
struct file-related stuff
2022-10-06 17:13:18 -07:00
autofs
autofs: remove unused ino field inode
2022-07-17 17:31:42 -07:00
befs
befs: Convert befs_symlink_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
bfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
btrfs
fs: fix leaked psi pressure state
2022-11-08 15:57:25 -08:00
cachefiles
cachefiles: use vfs_tmpfile_open() helper
2022-09-24 07:00:00 +02:00
ceph
Random number generator fixes for Linux 6.1-rc1.
2022-10-16 15:27:07 -07:00
cifs
cifs: fix use-after-free on the link name
2022-11-04 23:36:54 -05:00
coda
coda: Convert coda_symlink_filler() to use a folio
2022-08-02 12:34:03 -04:00
configfs
…
cramfs
cramfs: read_mapping_page() is synchronous
2022-08-02 12:34:02 -04:00
crypto
fscrypt: fix keyring memory leak on mount failure
2022-10-19 20:54:43 -07:00
debugfs
debugfs: use DEFINE_SHOW_ATTRIBUTE to define debugfs_regset32_fops
2022-09-24 15:00:48 +02:00
devpts
…
dlm
Networking changes for 6.1.
2022-10-04 13:38:03 -07:00
ecryptfs
whack-a-mole: constifying struct path *
2022-10-06 17:31:02 -07:00
efivarfs
efi: efivars: Fix variable writes without query_variable_store()
2022-10-21 11:09:40 +02:00
efs
efs: Convert efs symlinks to read_folio
2022-05-09 16:21:45 -04:00
erofs
fs: fix leaked psi pressure state
2022-11-08 15:57:25 -08:00
exfat
extfat: remove ->writepage
2022-12-11 18:12:17 -08:00
exportfs
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
ext2
treewide: use prandom_u32_max() when possible, part 2
2022-10-11 17:42:58 -06:00
ext4
ext4: convert move_extent_per_page() to use folios
2022-11-30 15:59:02 -08:00
f2fs
Random number generator fixes for Linux 6.1-rc1.
2022-10-16 15:27:07 -07:00
fat
fat: remove ->writepage
2022-12-11 18:12:17 -08:00
freevxfs
freevxfs: Convert vxfs_immed_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
fscache
fscache: add tracepoint when failing cookie
2022-08-09 14:13:59 +01:00
fuse
fuse: convert fuse_try_move_page() to use folios
2022-12-11 18:12:12 -08:00
gfs2
gfs2 debugfs improvements
2022-10-10 20:13:22 -07:00
hfs
hfs: remove ->writepage
2022-12-11 18:12:18 -08:00
hfsplus
hfsplus: remove ->writepage
2022-12-11 18:12:18 -08:00
hostfs
hostfs: move from strlcpy with unused retval to strscpy
2022-09-19 22:46:25 +02:00
hpfs
hpfs: remove ->writepage
2022-12-11 18:12:18 -08:00
hugetlbfs
hugetlbfs: inode: remove unnecessary (void*) conversions
2022-11-30 15:58:56 -08:00
iomap
iomap: add a tracepoint for mappings returned by map_blocks
2022-10-02 11:42:19 -07:00
isofs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
jbd2
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
jffs2
mtd: always initialize 'stats' in struct mtd_oob_ops
2022-09-21 10:38:07 +02:00
jfs
jfs: remove ->writepage
2022-12-11 18:12:18 -08:00
kernfs
kernfs: fix use-after-free in __kernfs_remove
2022-09-24 13:52:27 +02:00
ksmbd
24 ksmbd server fixes
2022-10-07 08:19:26 -07:00
lockd
SUNRPC: Parametrize how much of argsize should be zeroed
2022-09-26 14:02:42 -04:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
netfs: do not unlock and put the folio twice
2022-07-14 10:10:12 +02:00
nfs
nfs4: Fix kmemleak when allocate slot failed
2022-10-27 15:52:11 -04:00
nfs_common
…
nfsd
Fixes:
2022-11-01 15:05:03 -07:00
nilfs2
nilfs2: fix NULL pointer dereference in nilfs_palloc_commit_free_entry()
2022-11-30 14:49:40 -08:00
nls
…
notify
Merge tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2022-10-07 08:28:50 -07:00
ntfs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
ntfs3
treewide: use get_random_u32() when possible
2022-10-11 17:42:58 -06:00
ocfs2
ocfs2: clear dinode links count in case of error
2022-10-20 21:27:22 -07:00
omfs
omfs: remove ->writepage
2022-12-11 18:12:18 -08:00
openpromfs
fs: allocate inode by using alloc_inode_sb()
2022-03-22 15:57:03 -07:00
orangefs
Orangefs: change iterate to iterate_shared
2022-10-13 09:56:14 -07:00
overlayfs
tmpfile API change
2022-10-10 19:45:17 -07:00
proc
mm: do not show fs mm pc for VM_LOCKONFAULT pages
2022-12-11 18:12:21 -08:00
pstore
Revert "pstore: migrate to crypto acomp interface"
2022-09-30 08:16:06 -07:00
qnx4
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
quota: Add more checking after reading from quota file
2022-09-29 15:37:30 +02:00
ramfs
tmpfile API change
2022-10-10 19:45:17 -07:00
reiserfs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
romfs
romfs: Convert romfs to read_folio
2022-05-09 16:21:46 -04:00
smbfs_common
smb3: define missing create contexts
2022-10-05 01:55:27 -05:00
squashfs
squashfs: fix buffer release race condition in readahead code
2022-10-28 13:37:21 -07:00
sysfs
kobject: kobj_type: remove default_attrs
2022-04-05 15:39:19 +02:00
sysv
Not a lot of material this cycle. Many singleton patches against various
2022-05-27 11:22:03 -07:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-08 17:10:54 -04:00
ubifs
Random number generator fixes for Linux 6.1-rc1.
2022-10-16 15:27:07 -07:00
udf
tmpfile API change
2022-10-10 19:45:17 -07:00
ufs
ufs: replace ll_rw_block()
2022-09-11 20:26:07 -07:00
unicode
…
vboxsf
vboxsf: Convert vboxsf to read_folio
2022-05-09 16:21:46 -04:00
verity
for-6.1-tag
2022-10-06 17:36:48 -07:00
xfs
xfs: remove restrictions for fsdax and reflink
2022-12-11 18:12:17 -08:00
zonefs
New code for 6.0:
2022-08-11 13:11:49 -07:00
aio.c
aio: use atomic_try_cmpxchg in __get_reqs_available
2022-09-11 21:55:08 -07:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
vfs: Check the truncate maximum size in inode_newsize_ok()
2022-08-08 10:39:29 -07:00
bad_inode.c
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
binfmt_elf_fdpic.c
…
binfmt_elf_test.c
…
binfmt_elf.c
fs/binfmt_elf: Fix memory leak in load_elf_binary()
2022-10-25 15:11:21 -07:00
binfmt_flat.c
binfmt_flat: Remove shared library support
2022-04-22 10:57:18 -07:00
binfmt_misc.c
…
binfmt_script.c
…
buffer.c
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
coredump.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax,xfs: port unshare to fsdax
2022-12-11 18:12:17 -08:00
dcache.c
tmpfile API change
2022-10-10 19:45:17 -07:00
direct-io.c
block: remove PSI accounting from the bio layer
2022-09-20 08:24:38 -06:00
drop_caches.c
…
eventfd.c
eventfd: guard wake_up in eventfd fs calls as well
2022-09-21 10:30:42 -06:00
eventpoll.c
epoll: use try_cmpxchg in list_add_tail_lockless
2022-09-11 21:55:07 -07:00
exec.c
23 hotfixes.
2022-10-29 17:49:33 -07:00
fcntl.c
keep iocb_flags() result cached in struct file
2022-06-10 16:10:23 -04:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
locks: fix TOCTOU race when granting write lease
2022-08-16 10:59:54 -04:00
file.c
gfs2: Add glockfd debugfs file
2022-06-29 13:07:16 +02:00
filesystems.c
…
fs_context.c
…
fs_parser.c
…
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
fs: record I_DIRTY_TIME even if inode already has I_DIRTY_INODE
2022-09-29 23:02:00 -04:00
fsopen.c
uninline may_mount() and don't opencode it in fspick(2)/fsopen(2)
2022-05-19 23:25:10 -04:00
init.c
…
inode.c
saner inode_init_always()
2022-10-06 16:49:00 -07:00
internal.h
whack-a-mole: constifying struct path *
2022-10-06 17:31:02 -07:00
ioctl.c
Fixes for 5.18-rc1:
2022-04-01 19:35:56 -07:00
Kconfig
hugetlb: make hugetlb depends on SYSFS or SYSCTL
2022-09-11 20:26:10 -07:00
Kconfig.binfmt
Xtensa updates for v6.1
2022-10-10 14:21:11 -07:00
kernel_read_file.c
fs/kernel_read_file: allow to read files up-to ssize_t
2022-06-16 19:58:21 -07:00
libfs.c
fs: uninline inode_maybe_inc_iversion()
2022-10-03 14:21:43 -07:00
locks.c
locks: Fix dropped call to ->fl_release_private()
2022-08-17 15:08:58 -04:00
Makefile
a.out: Remove the a.out implementation
2022-09-27 07:11:02 -07:00
mbcache.c
mbcache: Avoid nesting of cache->c_list_lock under bit locks
2022-09-30 23:46:52 -04:00
mount.h
switch try_to_unlazy_next() to __legitimize_mnt()
2022-07-05 16:18:21 -04:00
mpage.c
Folio changes for 6.0
2022-08-03 10:35:43 -07:00
namei.c
tmpfile API change
2022-10-10 19:45:17 -07:00
namespace.c
fs: require CAP_SYS_ADMIN in target namespace for idmapped mounts
2022-08-17 11:27:11 +02:00
no-block.c
…
nsfs.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
open.c
struct file-related stuff
2022-10-06 17:13:18 -07:00
pipe.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
pnode.c
…
pnode.h
…
posix_acl.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
proc_namespace.c
vfs: escape hash as well
2022-06-28 13:58:05 -04:00
read_write.c
[coredump] don't use __kernel_write() on kmap_local_page()
2022-09-28 14:28:40 -04:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe
2022-08-05 16:32:45 -07:00
select.c
…
seq_file.c
rxrpc: Fix locking issue
2022-05-22 21:03:01 +01:00
signalfd.c
…
splice.c
iter_to_pipe(): switch to advancing variant of iov_iter_get_pages()
2022-08-08 22:37:23 -04:00
stack.c
…
stat.c
vfs: support STATX_DIOALIGN on block devices
2022-09-11 19:47:12 -05:00
statfs.c
…
super.c
fscrypt: fix keyring memory leak on mount failure
2022-10-19 20:54:43 -07:00
sync.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
sysctls.c
…
timerfd.c
…
userfaultfd.c
- Yu Zhao's Multi-Gen LRU patches are here. They've been under test in
2022-10-10 17:53:04 -07:00
utimes.c
…
xattr.c
xattr: always us is_posix_acl_xattr() helper
2022-09-21 12:01:29 +02:00