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Michal Hocko 19809c2da2 mm, vmalloc: use __GFP_HIGHMEM implicitly ... __vmalloc* allows users to provide gfp flags for the underlying allocation. This API is quite popular $ git grep "=[[:space:]]__vmalloc\|return[[:space:]]*__vmalloc" | wc -l 77 The only problem is that many people are not aware that they really want to give __GFP_HIGHMEM along with other flags because there is really no reason to consume precious lowmemory on CONFIG_HIGHMEM systems for pages which are mapped to the kernel vmalloc space. About half of users don't use this flag, though. This signals that we make the API unnecessarily too complex. This patch simply uses __GFP_HIGHMEM implicitly when allocating pages to be mapped to the vmalloc space. Current users which add __GFP_HIGHMEM are simplified and drop the flag. Link: http://lkml.kernel.org/r/20170307141020.29107-1-mhocko@kernel.org Signed-off-by: Michal Hocko <mhocko@suse.com> Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: David Rientjes <rientjes@google.com> Cc: Cristopher Lameter <cl@linux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		8 years ago
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9p	9p: Convert to separately allocated bdi	8 years ago
adfs	…
affs	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
afs	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	8 years ago
autofs4	Fix dead URLs to ftp.kernel.org	8 years ago
befs	befs: make export work with cold dcache	8 years ago
bfs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
btrfs	mm, vmalloc: use __GFP_HIGHMEM implicitly	8 years ago
cachefiles	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
ceph	treewide: use kv[mz]alloc* rather than opencoded variants	8 years ago
cifs	Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6	8 years ago
coda	coda: Convert to separately allocated bdi	8 years ago
configfs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
cramfs	…
crypto	A code cleanup and bugfix for fs/crypto.	8 years ago
debugfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace	8 years ago
devpts	…
dlm	net: Work around lockdep limitation in sockets that use sockets	8 years ago
ecryptfs	ecryptfs: Convert to separately allocated bdi	8 years ago
efivarfs	…
efs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
exofs	exofs: Convert to separately allocated bdi	8 years ago
exportfs	Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	8 years ago
ext2	libnvdimm for 4.12	8 years ago
ext4	mm: introduce kv[mz]alloc helpers	8 years ago
f2fs	mm: introduce kv[mz]alloc helpers	8 years ago
fat	fat: fix using uninitialized fields of fat_inode/fsinfo_inode	8 years ago
freevxfs	…
fscache	KEYS: Differentiate uses of rcu_dereference_key() and user_key_payload()	8 years ago
fuse	fuse: Get rid of bdi_initialized	8 years ago
gfs2	We've got ten GFS2 patches for this merge window.	8 years ago
hfs	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	8 years ago
hfsplus	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
hostfs	vfs: remove ".readlink = generic_readlink" assignments	8 years ago
hpfs	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	8 years ago
hugetlbfs	hugetlbfs: fix offset overflow in hugetlbfs mmap	8 years ago
isofs	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
jbd2	jbd2: make the whole kjournald2 kthread NOFS safe	8 years ago
jffs2	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	8 years ago
jfs	jfs: Remove jfs_get_inode_flags()	8 years ago
kernfs	kernfs: Check KERNFS_HAS_RELEASE before calling kernfs_release_file()	8 years ago
lockd	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>	8 years ago
minix	statx: Add a system call to make enhanced file info available	8 years ago
ncpfs	ncpfs: Convert to separately allocated bdi	8 years ago
nfs	nfs: Fix bdi handling for cloned superblocks	8 years ago
nfs_common	netns: make struct pernet_operations::id unsigned int	8 years ago
nfsd	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	8 years ago
nilfs2	fs: Remove SB_I_DYNBDI flag	8 years ago
nls	…
notify	fanotify: don't expose EOPENSTALE to userspace	8 years ago
ntfs	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	8 years ago
ocfs2	fs/ocfs2/cluster: use offset_in_page() macro	8 years ago
omfs	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
openpromfs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
orangefs	Some cleanups:	8 years ago
overlayfs	overlayfs: remove now unnecessary header file include	8 years ago
proc	pidns: expose task pid_ns_for_children to userspace	8 years ago
pstore	pstore: Solve lockdep warning by moving inode locks	8 years ago
qnx4	…
qnx6	…
quota	quota: Remove dquot_quotactl_ops	8 years ago
ramfs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
reiserfs	reiserfs: use designated initializers	8 years ago
romfs	romfs: use different way to generate fsid for BLOCK or MTD	8 years ago
squashfs	fs/pstore: fs/squashfs: change usage of LZ4 to work with new LZ4 version	8 years ago
sysfs	sysfs: be careful of error returns from ops->show()	8 years ago
sysv	statx: Add a system call to make enhanced file info available	8 years ago
tracefs	…
ubifs	Merge branch 'for-4.12/block' of git://git.kernel.dk/linux-block	8 years ago
udf	udf: use kmap_atomic for memcpy copying	8 years ago
ufs	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
xfs	mm, vmalloc: use __GFP_HIGHMEM implicitly	8 years ago
Kconfig	dax: fix build warnings with FS_DAX and !FS_IOMAP	8 years ago
Kconfig.binfmt	…
Makefile	logfs: remove from tree	8 years ago
aio.c	Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	8 years ago
anon_inodes.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
attr.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/signal.h>	8 years ago
bad_inode.c	statx: Add a system call to make enhanced file info available	8 years ago
binfmt_aout.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>	8 years ago
binfmt_elf.c	sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>	8 years ago
binfmt_elf_fdpic.c	sched/headers: Prepare to move cputime functionality from <linux/sched.h> into <linux/sched/cputime.h>	8 years ago
binfmt_em86.c	…
binfmt_flat.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>	8 years ago
binfmt_misc.c	sched/headers: Prepare to remove the <linux/mm_types.h> dependency from <linux/sched.h>	8 years ago
binfmt_script.c	…
block_dev.c	libnvdimm for 4.12	8 years ago
buffer.c	sched/headers: Prepare for the reduction of <linux/sched.h>'s signal API dependency	8 years ago
char_dev.c	chardev: add helper function to register char devs with a struct device	8 years ago
compat.c	fs/compat.c: trim unused includes	8 years ago
compat_binfmt_elf.c	fs/binfmt: Convert obsolete cputime type to nsecs	8 years ago
compat_ioctl.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
coredump.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task_stack.h>	8 years ago
dax.c	libnvdimm for 4.12	8 years ago
dcache.c	mnt: Protect the mountpoint hashtable with mount_lock	8 years ago
dcookies.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
direct-io.c	fs: add i_blocksize()	8 years ago
drop_caches.c	…
eventfd.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	8 years ago
eventpoll.c	epoll: Add busy poll support to epoll with socket fds.	8 years ago
exec.c	x86/arch_prctl: Add ARCH_[GET|SET]_CPUID	8 years ago
fcntl.c	fcntl: move compat syscalls from compat.c	8 years ago
fhandle.c	fhandle: move compat syscalls from compat.c	8 years ago
file.c	mm, vmalloc: use __GFP_HIGHMEM implicitly	8 years ago
file_table.c	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
filesystems.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
fs-writeback.c	writeback: fix memory leak in wb_queue_work()	8 years ago
fs_pin.c	…
fs_struct.c	sched/headers: Prepare for new header dependencies before moving code to <linux/sched/task.h>	8 years ago
inode.c	fsnotify: Free fsnotify_mark_connector when there is no mark attached	8 years ago
internal.h	fhandle: move compat syscalls from compat.c	8 years ago
ioctl.c	sched/headers: Prepare for the reduction of <linux/sched.h>'s signal API dependency	8 years ago
iomap.c	Changes for 4.12:	8 years ago
libfs.c	Merge branch 'rebased-statx' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	8 years ago
locks.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
mbcache.c	mbcache: document that "find" functions only return reusable entries	8 years ago
mount.h	fsnotify: Free fsnotify_mark_connector when there is no mark attached	8 years ago
mpage.c	fs: add i_blocksize()	8 years ago
namei.c	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security	8 years ago
namespace.c	fsnotify: Free fsnotify_mark_connector when there is no mark attached	8 years ago
no-block.c	…
nsfs.c	ns: allow ns_entries to have custom symlink content	8 years ago
open.c	open: move compat syscalls from compat.c	8 years ago
pipe.c	Replace <asm/uaccess.h> with <linux/uaccess.h> globally	8 years ago
pnode.c	mnt: Tuck mounts under others instead of creating shadow/side mounts.	8 years ago
pnode.h	mnt: Tuck mounts under others instead of creating shadow/side mounts.	8 years ago
posix_acl.c	sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h>	8 years ago
proc_namespace.c	sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>	8 years ago
read_write.c	move compat_rw_copy_check_uvector() over to fs/read_write.c	8 years ago
readdir.c	readdir: move compat syscalls from compat.c	8 years ago
select.c	treewide: use kv[mz]alloc* rather than opencoded variants	8 years ago
seq_file.c	mm: introduce kv[mz]alloc helpers	8 years ago
signalfd.c	…
splice.c	Merge branch 'work.splice' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	8 years ago
stack.c	…
stat.c	Merge branch 'work.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	8 years ago
statfs.c	statfs: move compat syscalls from compat.c	8 years ago
super.c	bdi: Drop 'parent' argument from bdi_register[_va]()	8 years ago
sync.c	vfs: use helper for calling f_op->fsync()	8 years ago
timerfd.c	timerfd: Only check CAP_WAKE_ALARM when it is needed	8 years ago
userfaultfd.c	userfaultfd: report actual registered features in fdinfo	8 years ago
utimes.c	utimes: move compat syscalls from compat.c	8 years ago
xattr.c	treewide: use kv[mz]alloc* rather than opencoded variants	8 years ago