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Konstantin Khlebnikov bca1554373 proc/smaps: show amount of nonlinear ptes in vma 
Currently, nonlinear mappings can not be distinguished from ordinary
mappings.  This patch adds into /proc/pid/smaps line "Nonlinear: <size>
kB", where size is amount of nonlinear ptes in vma, this line appears only
if VM_NONLINEAR is set.  This information may be useful not only for
checkpoint/restore project.

Requested by Pavel Emelyanov.

Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-31 17:49:29 -07:00
..
9p
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
adfs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
affs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
afs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
autofs4
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
befs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
bfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
btrfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
cachefiles
switch touch_atime to struct path
2012-03-20 21:29:41 -04:00
ceph
introduce SIZE_MAX
2012-05-31 17:49:26 -07:00
cifs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
coda
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
configfs
make configfs_pin_fs() return root dentry on success
2012-03-20 21:29:48 -04:00
cramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
debugfs
debugfs: Add support to print u32 array in debugfs
2012-04-17 00:18:36 -04:00
devpts
userns: Convert devpts to use kuid/kgid where appropriate
2012-05-15 14:59:26 -07:00
dlm
dlm: NULL dereference on failure in kmem_cache_create()
2012-05-15 10:39:28 -05:00
ecryptfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
efs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
exofs
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
2012-05-28 13:10:41 -07:00
exportfs
…
ext2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ext3
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ext4
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
fat
fat: use fat_msg_ratelimit() in fat__get_entry()
2012-05-31 17:49:28 -07:00
freevxfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
fscache
…
fuse
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
gfs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
hfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hfsplus
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
hostfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hpfs
HPFS: remove PRINTK() macro
2012-05-31 17:49:27 -07:00
hppfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hugetlbfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
isofs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
jbd
jbd: Write journal superblock with WRITE_FUA after checkpointing
2012-05-15 23:34:37 +02:00
jbd2
jbd2: use GFP_NOFS for blkdev_issue_flush
2012-04-23 21:43:41 -04:00
jffs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
jfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
lockd
lockd: fix the endianness bug
2012-04-13 13:50:52 -04:00
logfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
minix
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ncpfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
nfs
NFS client updates for Linux 3.5
2012-05-29 10:43:51 -07:00
nfs_common
…
nfsd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
nilfs2
nilfs2: flush disk caches in syncing
2012-05-31 17:49:27 -07:00
nls
…
notify
fs/notify/notification.c: make subsys_initcall function static
2012-03-23 16:58:31 -07:00
ntfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ocfs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
omfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
openpromfs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
proc
proc/smaps: show amount of nonlinear ptes in vma
2012-05-31 17:49:29 -07:00
pstore
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
qnx4
qnx4: new helper - try_extent()
2012-03-20 21:29:52 -04:00
qnx6
fs: initial qnx6fs addition
2012-03-20 21:29:38 -04:00
quota
quota: Get rid of nested I_MUTEX_QUOTA locking subclass
2012-05-15 23:34:39 +02:00
ramfs
tidy up after d_make_root() conversion
2012-03-20 21:29:37 -04:00
reiserfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
romfs
MTD merge for 3.4
2012-03-30 17:31:56 -07:00
squashfs
Add an extra mount time sanity check, plus some code cleanups and bug fixes.
2012-03-28 18:05:54 -07:00
sysfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
sysv
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ubifs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
udf
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ufs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
xfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
aio.c
vfs: make AIO use the proper rw_verify_area() area helpers
2012-05-21 16:06:20 -07:00
anon_inodes.c
anon_inodes: move allocation of anon_inode into ->mount()
2012-03-20 21:29:45 -04:00
attr.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
bad_inode.c
mm/fs: remove truncate_range
2012-05-29 16:22:23 -07:00
binfmt_aout.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
binfmt_elf_fdpic.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
binfmt_elf.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
binfmt_em86.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_flat.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
binfmt_misc.c
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
binfmt_script.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_som.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
bio-integrity.c
fs: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:21 +08:00
bio.c
bio allocation failure due to bio_get_nr_vecs()
2012-05-11 16:45:12 +02:00
block_dev.c
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
buffer.c
block: don't mark buffers beyond end of disk as mapped
2012-05-11 16:42:14 +02:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
compat.c
userns: Convert stat to return values mapped from kuids and kgids
2012-05-15 14:08:35 -07:00
dcache.c
mm: add a low limit to alloc_large_system_hash
2012-05-24 00:28:21 -04:00
dcookies.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
direct-io.c
Restore direct_io / truncate locking API
2012-02-23 15:56:21 -08:00
drop_caches.c
…
eventfd.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
eventpoll.c
epoll: Fix user space breakage related to EPOLLWAKEUP
2012-05-22 20:57:06 +02:00
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
fcntl.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
fhandle.c
…
fifo.c
…
file_table.c
vfs: drop_file_write_access() made static
2012-03-20 21:29:32 -04:00
file.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
filesystems.c
…
fs_struct.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
fs-writeback.c
writeback: Avoid iput() from flusher thread
2012-05-06 13:43:41 +08:00
generic_acl.c
…
inode.c
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
internal.h
…
ioctl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
ioprio.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
Kconfig.binfmt
C6X: add support to build with BINFMT_ELF_FDPIC
2012-05-15 09:17:34 -04:00
libfs.c
vfs: make it possible to access the dentry hash/len as one 64-bit entry
2012-05-10 19:54:35 -07:00
locks.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
Makefile
fs: initial qnx6fs addition
2012-03-20 21:29:38 -04:00
mbcache.c
…
mount.h
…
mpage.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
namei.c
word-at-a-time: make the interfaces truly generic
2012-05-26 11:33:40 -07:00
namespace.c
…
no-block.c
…
open.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
pipe.c
pipe: return -ENOIOCTLCMD instead of -EINVAL on unknown ioctl command
2012-05-31 17:49:27 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
proc_namespace.c
…
read_write.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
read_write.h
…
readdir.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
select.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
seq_file.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
signalfd.c
epoll: ep_unregister_pollwait() can use the freed pwq->whead
2012-02-24 11:42:50 -08:00
splice.c
tcp: tcp_sendpages() should call tcp_push() once
2012-04-05 19:04:27 -04:00
stack.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
stat.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
statfs.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
super.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
sync.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
timerfd.c
…
utimes.c
…
xattr_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
xattr.c
fs/xattr.c:setxattr(): improve handling of allocation failures
2012-04-05 15:25:50 -07:00