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Dan Williams cbb38e41a9 dax: provide diagnostics for pmd mapping failures 
There is a wide gamut of conditions that can trigger the dax pmd path to
fallback to pte mappings.  Ideally we'd have a syscall interface to
determine mapping characteristics after the fact.  In the meantime
provide debug messages.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Suggested-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-01-15 17:56:32 -08:00
..
9p
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
adfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
affs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
afs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
autofs4
switch ->get_link() to delayed_call, kill ->put_link()
2015-12-30 13:01:03 -05:00
befs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
bfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
btrfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
cachefiles
convert a bunch of open-coded instances of memdup_user_nul()
2016-01-04 10:26:58 -05:00
ceph
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
cifs
page-flags: define PG_locked behavior on compound pages
2016-01-15 17:56:32 -08:00
coda
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
configfs
Configfs changes for the 4.5 merge window:
2016-01-12 18:15:34 -08:00
cramfs
don't put symlink bodies in pagecache into highmem
2015-12-08 22:41:36 -05:00
debugfs
debugfs: fix refcount imbalance in start_creating
2015-11-11 02:04:44 -05:00
devpts
…
dlm
convert a bunch of open-coded instances of memdup_user_nul()
2016-01-04 10:26:58 -05:00
ecryptfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
efivarfs
…
efs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
exofs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
exportfs
…
ext2
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
ext4
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
f2fs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
fat
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
freevxfs
don't put symlink bodies in pagecache into highmem
2015-12-08 22:41:36 -05:00
fscache
FS-Cache: Handle a write to the page immediately beyond the EOF marker
2015-11-11 02:11:02 -05:00
fuse
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
gfs2
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
hfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
hfsplus
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
hostfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
hpfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
hugetlbfs
hugetlb: make mm and fs code explicitly non-modular
2016-01-14 16:00:49 -08:00
isofs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
jbd2
fs: use block_device name vsprintf helper
2016-01-06 13:03:18 -05:00
jffs2
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
jfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
kernfs
Revert "kernfs: do not account ino_ida allocations to memcg"
2016-01-14 16:00:49 -08:00
lockd
lockd: constify nlmsvc_binding structure
2016-01-07 10:10:50 -05:00
logfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
minix
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
ncpfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
nfs
Merge branch 'akpm' (patches from Andrew)
2016-01-15 11:41:44 -08:00
nfs_common
lockd: NLM grace period shouldn't block NFSv4 opens
2015-08-13 10:22:06 -04:00
nfsd
Smaller bugfixes and cleanup, including a fix for a failures of
2016-01-15 12:49:44 -08:00
nilfs2
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
nls
…
notify
fsnotify: destroy marks with call_srcu instead of dedicated thread
2016-01-14 16:00:49 -08:00
ntfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
ocfs2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2016-01-15 11:51:51 -08:00
omfs
…
openpromfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
overlayfs
switch ->get_link() to delayed_call, kill ->put_link()
2015-12-30 13:01:03 -05:00
proc
mm: differentiate page_mapped() from page_mapcount() for compound pages
2016-01-15 17:56:32 -08:00
pstore
pstore: fix code comment to match code
2015-11-02 13:41:52 -08:00
qnx4
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
qnx6
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
quota
quota: constify qtree_fmt_operations structures
2016-01-04 10:58:35 +01:00
ramfs
don't put symlink bodies in pagecache into highmem
2015-12-08 22:41:36 -05:00
reiserfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
romfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
squashfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
sysfs
platform/chrome: Branch for v4.4
2015-11-13 21:53:18 -08:00
sysv
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
tracefs
tracefs: Fix refcount imbalance in start_creating()
2015-11-04 22:13:45 -05:00
ubifs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
udf
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2016-01-15 11:51:51 -08:00
ufs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
xfs
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
aio.c
mm: move ->mremap() from file_operations to vm_operations_struct
2015-09-04 16:54:41 -07:00
anon_inodes.c
…
attr.c
…
bad_inode.c
fs/bad_inode.c: is_bad_inode can be boolean
2015-12-06 21:17:14 -05:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
libnvdimm for 4.4:
2015-11-10 12:07:22 -08:00
binfmt_elf.c
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-11-11 09:45:24 -08:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
…
binfmt_script.c
…
block_dev.c
dax: fix lifetime of in-kernel dax mappings with dax_map_atomic()
2016-01-15 17:56:32 -08:00
buffer.c
fs: use block_device name vsprintf helper
2016-01-06 13:03:18 -05:00
char_dev.c
fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region
2015-08-05 13:49:35 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 17:11:47 -08:00
compat.c
saner calling conventions for copy_mount_options()
2016-01-04 10:28:32 -05:00
coredump.c
coredump: Use 64bit time for unix time of coredump
2015-12-06 21:17:17 -05:00
dax.c
dax: provide diagnostics for pmd mapping failures
2016-01-15 17:56:32 -08:00
dcache.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
dcookies.c
…
direct-io.c
fix the regression from "direct-io: Fix negative return from dio read beyond eof"
2015-12-08 15:02:42 -05:00
drop_caches.c
inode: convert inode_sb_list_lock to per-sb
2015-08-17 18:39:46 -04:00
eventfd.c
Documentation: filesystem: Fix typo in fs/eventfd.c
2015-12-08 14:52:03 +01:00
eventpoll.c
…
exec.c
don't carry MAY_OPEN in op->acc_mode
2016-01-04 10:28:40 -05:00
fcntl.c
fcntl: allow to set O_DIRECT flag on pipe
2016-01-09 02:55:37 -05:00
fhandle.c
…
file_table.c
fs, file table: reinit files_stat.max_files after deferred memory initialisation
2015-08-07 04:39:40 +03:00
file.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs: fix writeback.c kernel-doc warnings
2015-11-11 02:18:27 -05:00
inode.c
kmemcg: account certain kmem allocations to memcg
2016-01-14 16:00:49 -08:00
internal.h
Merge branch 'for-linus' into work.misc
2016-01-08 21:20:11 -05:00
ioctl.c
Merge branch 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 16:30:34 -08:00
Kconfig
File locking related changes for v4.5 (pile #1)
2016-01-12 15:46:17 -08:00
Kconfig.binfmt
…
libfs.c
switch ->get_link() to delayed_call, kill ->put_link()
2015-12-30 13:01:03 -05:00
locks.c
Merge branch 'work.copy_file_range' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 16:30:34 -08:00
Makefile
ext4: promote ext4 over ext2 in the default probe order
2015-10-15 10:33:21 -04:00
mbcache.c
…
mount.h
…
mpage.c
mm, fs: introduce mapping_gfp_constraint()
2015-11-06 17:50:42 -08:00
namei.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 17:11:47 -08:00
namespace.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 17:11:47 -08:00
no-block.c
…
nsfs.c
fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void
2015-09-11 15:21:34 -07:00
open.c
don't carry MAY_OPEN in op->acc_mode
2016-01-04 10:28:40 -05:00
pipe.c
fs/pipe.c: return error code rather than 0 in pipe_write()
2015-11-11 02:18:26 -05:00
pnode.c
…
pnode.h
mnt: Clarify and correct the disconnect logic in umount_tree
2015-07-22 20:33:27 -05:00
posix_acl.c
xattr handlers: Simplify list operation
2015-12-13 19:46:12 -05:00
proc_namespace.c
vfs: show_vfsstat: remove redundant initialization and check of error code
2015-12-06 21:17:16 -05:00
read_write.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 17:11:47 -08:00
readdir.c
…
select.c
poll: plug an unused argument to do_poll
2016-01-06 08:26:52 -05:00
seq_file.c
fs, seqfile: always allow oom killer
2015-11-06 17:50:42 -08:00
signalfd.c
signalfd: fix information leak in signalfd_copyinfo
2015-08-07 04:39:40 +03:00
splice.c
fs: __generic_file_splice_read retry lookup on AOP_TRUNCATED_PAGE
2016-01-09 02:55:35 -05:00
stack.c
…
stat.c
fs/stat.c: remove unnecessary new_valid_dev() check
2015-11-09 15:11:24 -08:00
statfs.c
…
super.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2016-01-14 17:04:19 -08:00
sync.c
fs/sync.c: make sync_file_range(2) use WB_SYNC_NONE writeback
2015-11-06 17:50:42 -08:00
timerfd.c
…
userfaultfd.c
userfaultfd: revert "userfaultfd: waitqueue: add nr wake parameter to __wake_up_locked_key"
2015-09-22 15:09:53 -07:00
utimes.c
…
xattr.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-12 17:11:47 -08:00