Andrea Arcangeli ad465cae96 userfaultfd: UFFDIO_COPY and UFFDIO_ZEROPAGE ... These two ioctl allows to either atomically copy or to map zeropages into the virtual address space. This is used by the thread that opened the userfaultfd to resolve the userfaults. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Pavel Emelyanov <xemul@parallels.com> Cc: Sanidhya Kashyap <sanidhya.gatech@gmail.com> Cc: zhang.zhanghailiang@huawei.com Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Cc: Andres Lagar-Cavilla <andreslc@google.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Hugh Dickins <hughd@google.com> Cc: Peter Feiner <pfeiner@google.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: "Huangpeng (Peter)" <peter.huangpeng@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2015-09-04 16:54:41 -07:00
..
9p	9p: don't leave a half-initialized inode sitting around	2015-07-12 11:22:05 -04:00
adfs	fs/adfs: remove unneeded cast	2015-06-30 19:44:57 -07:00
affs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
afs	net: Add a struct net parameter to sock_create_kern	2015-05-11 10:50:17 -04:00
autofs4	make simple_positive() public	2015-06-23 18:02:01 -04:00
befs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
bfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-26 17:22:07 -07:00
btrfs	Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block	2015-09-02 13:10:25 -07:00
cachefiles	Merge branch 'fscache-fixes' into for-next	2015-06-23 18:01:30 -04:00
ceph	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
cifs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
coda	fs: cleanup slight list_entry abuse	2015-06-23 18:01:59 -04:00
configfs	configfs: fix kernel infoleak through user-controlled format string	2015-07-17 16:39:53 -07:00
cramfs	…
debugfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
devpts	devpts: if initialization failed, don't crash when opening /dev/ptmx	2015-06-30 19:44:58 -07:00
dlm	dlm for 4.3	2015-09-03 12:57:48 -07:00
ecryptfs	treewide: Fix typo in printk	2015-08-07 13:58:05 +02:00
efivarfs	Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2015-05-06 10:57:37 -07:00
efs	fs/efs: femove unneeded cast	2015-06-25 17:00:42 -07:00
exofs	pagemap.h: move dir_pages() over there	2015-06-23 18:02:00 -04:00
exportfs	…
ext2	ext2: Handle error from dquot_initalize()	2015-07-23 20:59:37 +02:00
ext4	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
f2fs	Merge tag 'for-f2fs-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs	2015-09-03 13:10:22 -07:00
fat	writeback: separate out include/linux/backing-dev-defs.h	2015-06-02 08:33:34 -06:00
freevxfs	freevxfs: Grammar s/an negative/a negative/	2015-08-07 13:59:24 +02:00
fscache	FS-Cache: Retain the netfs context in the retrieval op earlier	2015-04-02 14:28:53 +01:00
fuse	fs/fuse: fix ioctl type confusion	2015-08-16 12:35:44 -07:00
gfs2	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hfsplus	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hostfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
hpfs	hpfs: update ctime and mtime on directory modification	2015-09-03 11:55:30 -07:00
hugetlbfs	ipc: use private shmem or hugetlbfs inodes for shm segments.	2015-08-07 04:39:41 +03:00
isofs	VFS: normal filesystems (and lustre): d_inode() annotations	2015-04-15 15:06:57 -04:00
jbd2	jbd2: limit number of reserved credits	2015-08-04 11:21:52 -04:00
jffs2	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
jfs	Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs	2015-09-03 12:28:30 -07:00
kernfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2015-07-03 15:20:57 -07:00
lockd	nfsd: eliminate NFSD_DEBUG	2015-04-21 16:16:02 -04:00
logfs	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
minix	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
ncpfs	ncpfs: successful rename() should invalidate caches for parents	2015-06-14 11:31:39 -04:00
nfs	Merge branch 'for-4.3/core' of git://git.kernel.dk/linux-block	2015-09-02 13:10:25 -07:00
nfs_common	…
nfsd	nfsd: do nfs4_check_fh in nfs4_check_file instead of nfs4_check_olstateid	2015-07-31 16:30:26 -04:00
nilfs2	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
nls	…
notify	fsnotify: get rid of fsnotify_destroy_mark_locked()	2015-09-04 16:54:41 -07:00
ntfs	ntfs: delete unnecessary checks before calling iput()	2015-09-04 16:54:41 -07:00
ocfs2	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
omfs	omfs: fix potential integer overflow in allocator	2015-05-28 18:25:19 -07:00
openpromfs	…
overlayfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
proc	userfaultfd: add VM_UFFD_MISSING and VM_UFFD_WP	2015-09-04 16:54:41 -07:00
pstore	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2015-07-03 15:20:57 -07:00
qnx4	…
qnx6	pagemap.h: move dir_pages() over there	2015-06-23 18:02:00 -04:00
quota	quota: remove an unneeded condition	2015-08-11 10:01:24 +02:00
ramfs	VFS: normal filesystems (and lustre): d_inode() annotations	2015-04-15 15:06:57 -04:00
reiserfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
romfs	make new_sync_{read,write}() static	2015-04-11 22:29:40 -04:00
squashfs	fs: cleanup slight list_entry abuse	2015-06-23 18:01:59 -04:00
sysfs	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
sysv	pagemap.h: move dir_pages() over there	2015-06-23 18:02:00 -04:00
tracefs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
ubifs	This pull request includes the following UBI/UBIFS changes:	2015-06-25 14:11:34 -07:00
udf	udf: Don't modify filesystem for read-only mounts	2015-08-20 14:58:35 +02:00
ufs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
xfs	fs: create and use seq_show_option for escaping	2015-09-04 16:54:41 -07:00
Kconfig	fs: Remove ext3 filesystem driver	2015-07-23 20:59:40 +02:00
Kconfig.binfmt	mm: split ET_DYN ASLR from mmap ASLR	2015-04-14 16:49:05 -07:00
Makefile	userfaultfd: buildsystem activation	2015-09-04 16:54:41 -07:00
aio.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-16 23:27:56 -04:00
anon_inodes.c	…
attr.c	…
bad_inode.c	…
binfmt_aout.c	…
binfmt_elf.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
binfmt_elf_fdpic.c	…
binfmt_em86.c	…
binfmt_flat.c	…
binfmt_misc.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-04-26 17:22:07 -07:00
binfmt_script.c	…
block_dev.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
buffer.c	fs: use helper bio_add_page() instead of open coding on bi_io_vec	2015-08-13 12:32:00 -06:00
char_dev.c	fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region	2015-08-05 13:49:35 -07:00
compat.c	…
compat_binfmt_elf.c	…
compat_ioctl.c	ioctl_compat: handle FITRIM	2015-07-09 11:42:21 -07:00
coredump.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
dax.c	xfs: call dax_fault on read page faults for DAX	2015-07-29 11:48:00 +10:00
dcache.c	fs, file table: reinit files_stat.max_files after deferred memory initialisation	2015-08-07 04:39:40 +03:00
dcookies.c	…
direct-io.c	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
drop_caches.c	…
eventfd.c	…
eventpoll.c	…
exec.c	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
fcntl.c	…
fhandle.c	vfs: read file_handle only once in handle_to_path	2015-06-02 10:29:07 -07:00
file.c	fs/file.c: __fget() and dup2() atomicity rules	2015-07-01 02:31:08 -04:00
file_table.c	fs, file table: reinit files_stat.max_files after deferred memory initialisation	2015-08-07 04:39:40 +03:00
filesystems.c	…
fs-writeback.c	writeback: sync_inodes_sb() must write out I_DIRTY_TIME inodes and always call wait_sb_inodes()	2015-08-25 14:35:09 -06:00
fs_pin.c	fs_pin: Allow for the possibility that m_list or s_list go unused.	2015-04-09 11:39:55 -05:00
fs_struct.c	…
inode.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
internal.h	overlayfs: Make f_path always point to the overlay and f_inode to the underlay	2015-06-19 03:19:32 -04:00
ioctl.c	…
libfs.c	fs: Set the size of empty dirs to 0.	2015-08-12 15:28:45 -05:00
locks.c	locks: inline posix_lock_file_wait and flock_lock_file_wait	2015-07-13 06:29:11 -04:00
mbcache.c	…
mount.h	fs: use seq_open_private() for proc_mounts	2015-06-30 19:44:56 -07:00
mpage.c	block: remove bio_get_nr_vecs()	2015-08-13 12:32:04 -06:00
namei.c	may_follow_link() should use nd->inode	2015-08-04 23:23:50 -04:00
namespace.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	2015-09-01 16:13:25 -07:00
no-block.c	…
nsfs.c	nsfs: Add a show_path method to fix mountinfo	2015-07-11 11:09:00 -05:00
open.c	vfs: Commit to never having exectuables on proc and sysfs.	2015-07-10 10:39:25 -05:00
pipe.c	VFS: assorted weird filesystems: d_inode() annotations	2015-04-15 15:06:58 -04:00
pnode.c	mnt: Don't propagate unmounts to locked mounts	2015-04-02 20:34:20 -05:00
pnode.h	mnt: Clarify and correct the disconnect logic in umount_tree	2015-07-22 20:33:27 -05:00
posix_acl.c	fs/posix_acl.c: make posix_acl_create() safer and cleaner	2015-06-23 18:01:07 -04:00
proc_namespace.c	fs: use seq_open_private() for proc_mounts	2015-06-30 19:44:56 -07:00
read_write.c	new_sync_write(): discard ->ki_pos unless the return value is positive	2015-04-11 22:29:46 -04:00
readdir.c	…
select.c	locking/arch: Rename set_mb() to smp_store_mb()	2015-05-19 08:32:00 +02:00
seq_file.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
signalfd.c	signalfd: fix information leak in signalfd_copyinfo	2015-08-07 04:39:40 +03:00
splice.c	Merge branch 'akpm' (patches from Andrew)	2015-06-24 20:47:21 -07:00
stack.c	…
stat.c	VFS: assorted d_backing_inode() annotations	2015-04-15 15:06:59 -04:00
statfs.c	…
super.c	fs:super:get_anon_bdev: fix race condition could cause dev exceed its upper limitation	2015-07-01 01:50:06 -04:00
sync.c	…
timerfd.c	…
userfaultfd.c	userfaultfd: UFFDIO_COPY and UFFDIO_ZEROPAGE	2015-09-04 16:54:41 -07:00
utimes.c	…
xattr.c	evm: fix potential race when removing xattrs	2015-05-21 13:28:47 -04:00