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>		2017-05-08 17:15:13 -07:00
..
tests	btrfs: Make get_extent_t take btrfs_inode	2017-02-28 11:30:11 +01:00
acl.c	posix_acl: Clear SGID bit when setting file permissions	2016-09-22 10:55:32 +02:00
async-thread.c	btrfs: fix crash when tracepoint arguments are freed by wq callbacks	2017-01-09 11:24:50 +01:00
async-thread.h	btrfs: limit async_work allocation and worker func duration	2016-12-13 11:01:30 -08:00
backref.c	btrfs: remove unused parameter from __add_inline_refs	2017-02-17 12:03:54 +01:00
backref.h	btrfs: cleanup, remove inode_item_info helper	2015-01-14 19:23:47 +01:00
btrfs_inode.h	btrfs: make btrfs_inode_resume_unlocked_dio take btrfs_inode	2017-02-28 11:30:12 +01:00
check-integrity.c	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
check-integrity.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
compression.c	btrfs: derive maximum output size in the compression implementation	2017-02-28 14:26:36 +01:00
compression.h	btrfs: derive maximum output size in the compression implementation	2017-02-28 14:26:36 +01:00
ctree.c	treewide: use kv[mz]alloc* rather than opencoded variants	2017-05-08 17:15:13 -07:00
ctree.h	Merge branch 'for-4.12/block' of git://git.kernel.dk/linux-block	2017-05-01 10:39:57 -07:00
dedupe.h	btrfs: expand cow_file_range() to support in-band dedup and subpage-blocksize	2016-07-26 13:52:25 +02:00
delayed-inode.c	btrfs: Make btrfs_i_size_write take btrfs_inode	2017-02-28 11:30:06 +01:00
delayed-inode.h	btrfs: Make btrfs_inode_delayed_dir_index_count take btrfs_inode	2017-02-14 15:50:53 +01:00
delayed-ref.c	btrfs: qgroup: Move half of the qgroup accounting time out of commit trans	2017-02-17 12:03:55 +01:00
delayed-ref.h	Btrfs: pass delayed_refs directly to btrfs_find_delayed_ref_head	2017-02-14 15:50:59 +01:00
dev-replace.c	btrfs: constify device path passed to relevant helpers	2017-02-28 14:26:07 +01:00
dev-replace.h	btrfs: constify device path passed to relevant helpers	2017-02-28 14:26:07 +01:00
dir-item.c	btrfs: do proper error handling in btrfs_insert_xattr_item	2017-02-28 14:27:11 +01:00
disk-io.c	Merge branch 'for-4.12/block' of git://git.kernel.dk/linux-block	2017-05-01 10:39:57 -07:00
disk-io.h	btrfs: constify input buffer of btrfs_csum_data	2017-02-28 14:26:07 +01:00
export.c	btrfs: Make btrfs_ino take a struct btrfs_inode	2017-02-14 15:50:51 +01:00
export.h
extent_io.c	Btrfs: bring back repair during read	2017-03-29 14:29:07 +02:00
extent_io.h	btrfs: add dummy callback for readpage_io_failed and drop checks	2017-02-28 14:29:24 +01:00
extent_map.c	btrfs: Fix slab accounting flags	2016-07-26 13:52:25 +02:00
extent_map.h	btrfs: cleanup, stop casting for extent_map->lookup everywhere	2016-01-15 19:22:28 +01:00
extent-tree.c	Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-03-03 10:16:38 -08:00
file-item.c	Merge branch 'for-chris-4.11-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.11	2017-02-28 14:35:09 -08:00
file.c	Merge branch 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs	2017-03-02 16:03:00 -08:00
free-space-cache.c	Merge branch 'WIP.sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2017-03-03 10:16:38 -08:00
free-space-cache.h	btrfs: free-space-cache, clean up unnecessary root arguments	2017-02-17 12:03:56 +01:00
free-space-tree.c	mm, vmalloc: use __GFP_HIGHMEM implicitly	2017-05-08 17:15:13 -07:00
free-space-tree.h	Btrfs: implement the free space B-tree	2015-12-17 12:16:47 -08:00
hash.c	btrfs: advertise which crc32c implementation is being used at module load	2016-06-06 14:08:28 +02:00
hash.h	btrfs: advertise which crc32c implementation is being used at module load	2016-06-06 14:08:28 +02:00
inode-item.c	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
inode-map.c	btrfs: all btrfs_delalloc_release_metadata take btrfs_inode	2017-02-28 11:30:07 +01:00
inode-map.h	Btrfs: Initialize btrfs_root->highest_objectid when loading tree root and subvolume roots	2016-01-15 19:25:02 +01:00
inode.c	Merge branch 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs	2017-04-14 16:53:45 -07:00
ioctl.c	treewide: use kv[mz]alloc* rather than opencoded variants	2017-05-08 17:15:13 -07:00
Kconfig	rcu: Make SRCU optional by using CONFIG_SRCU	2015-01-06 11:04:29 -08:00
locking.c	btrfs: cleanup, remove stray return statements	2016-01-07 14:30:52 +01:00
locking.h	btrfs: fix lockups from btrfs_clear_path_blocking	2014-11-19 10:34:35 -08:00
lzo.c	btrfs: derive maximum output size in the compression implementation	2017-02-28 14:26:36 +01:00
Makefile	Btrfs: add free space tree sanity tests	2015-12-17 12:16:47 -08:00
math.h	btrfs: cleanup 64bit/32bit divs, compile time constants	2015-03-03 17:23:57 +01:00
ordered-data.c	btrfs: Make btrfs_lookup_ordered_range take btrfs_inode	2017-02-28 11:30:08 +01:00
ordered-data.h	btrfs: Make btrfs_lookup_ordered_range take btrfs_inode	2017-02-28 11:30:08 +01:00
orphan.c
print-tree.c	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
print-tree.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
props.c	btrfs: Make btrfs_ino take a struct btrfs_inode	2017-02-14 15:50:51 +01:00
props.h
qgroup.c	btrfs: qgroup: move noisy underflow warning to debugging build	2017-04-19 12:40:49 +02:00
qgroup.h	btrfs: qgroup: Move half of the qgroup accounting time out of commit trans	2017-02-17 12:03:55 +01:00
raid56.c	btrfs: raid56: Remove unused variable in lock_stripe_add	2017-02-14 15:50:59 +01:00
raid56.h	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
rcu-string.h
reada.c	btrfs: take an fs_info directly when the root is not used otherwise	2016-12-06 16:06:59 +01:00
relocation.c	btrfs: Make btrfs_orphan_add take btrfs_inode	2017-02-28 11:30:10 +01:00
root-tree.c	Btrfs: constify struct btrfs_{,disk_}key wherever possible	2017-02-14 15:50:58 +01:00
scrub.c	btrfs: Make check_extent_to_block take btrfs_inode	2017-02-28 11:30:11 +01:00
send.c	treewide: use kv[mz]alloc* rather than opencoded variants	2017-05-08 17:15:13 -07:00
send.h	Btrfs: use linux/sizes.h to represent constants	2016-01-07 14:38:02 +01:00
struct-funcs.c	btrfs: fix string and comment grammatical issues and typos	2016-05-25 22:35:14 +02:00
super.c	Merge branch 'for-4.12/block' of git://git.kernel.dk/linux-block	2017-05-01 10:39:57 -07:00
sysfs.c	btrfs: convert printk(KERN_* to use pr_* calls	2016-09-26 18:08:44 +02:00
sysfs.h	btrfs: sysfs: introduce helper for syncing bits with sysfs files	2016-01-21 18:50:40 +01:00
transaction.c	btrfs: Make btrfs_i_size_write take btrfs_inode	2017-02-28 11:30:06 +01:00
transaction.h	btrfs: remove root parameter from transaction commit/end routines	2016-12-06 16:07:00 +01:00
tree-defrag.c	Btrfs: fix locking bugs when defragging leaves	2015-12-18 02:51:32 +00:00
tree-log.c	Merge branch 'for-chris-4.11-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.11	2017-02-28 14:35:09 -08:00
tree-log.h	btrfs: Make btrfs_del_inode_ref take btrfs_inode	2017-02-14 15:50:54 +01:00
ulist.c	btrfs: ulist: rename ulist_fini to ulist_release	2017-02-17 12:03:50 +01:00
ulist.h	btrfs: ulist: rename ulist_fini to ulist_release	2017-02-17 12:03:50 +01:00
uuid-tree.c	btrfs: return the actual error value from from btrfs_uuid_tree_iterate	2016-12-19 18:08:15 +01:00
volumes.c	Merge branch 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs	2017-04-14 16:53:45 -07:00
volumes.h	btrfs: constify device path passed to relevant helpers	2017-02-28 14:26:07 +01:00
xattr.c	btrfs: fix over-80 lines introduced by previous cleanups	2017-02-14 15:50:57 +01:00
xattr.h	btrfs: Switch to generic xattr handlers	2016-05-17 19:17:09 -04:00
zlib.c	btrfs: derive maximum output size in the compression implementation	2017-02-28 14:26:36 +01:00