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4ddfef7b41
linux/fs/ext4
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Eric Sandeen 4ddfef7b41 ext4: reduce mballoc stack usage with noinline_for_stack 
mballoc.c is a whole lot of static functions, which gcc seems to
really like to inline.

With the changes below, on x86, I can at least get from:

432 ext4_mb_new_blocks
240 ext4_mb_free_blocks
208 ext4_mb_discard_group_preallocations
188 ext4_mb_seq_groups_show
164 ext4_mb_init_cache
152 ext4_mb_release_inode_pa
136 ext4_mb_seq_history_show
...

to

220 ext4_mb_free_blocks
188 ext4_mb_seq_groups_show
176 ext4_mb_regular_allocator
164 ext4_mb_init_cache
156 ext4_mb_new_blocks
152 ext4_mb_release_inode_pa
136 ext4_mb_seq_history_show
124 ext4_mb_release_group_pa
...

which still has some big functions in there, but not 432 bytes!

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2008-04-29 08:11:12 -04:00
..
acl.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
acl.h
balloc.c ext[234]: cleanup ext[234]_bg_num_gdb() 2008-02-06 10:41:21 -08:00
bitmap.c fs: mark nibblemap const 2007-10-17 08:42:47 -07:00
dir.c Convert ext4 to use unlocked_ioctl 2008-04-29 22:03:54 -04:00
ext4_jbd2.c [PATCH] ext4: uninline large functions 2006-12-07 08:39:35 -08:00
extents.c ext4: Cache the correct extent length for uninit extents 2008-04-29 22:03:59 -04:00
file.c Convert ext4 to use unlocked_ioctl 2008-04-29 22:03:54 -04:00
fsync.c ext4: fdatasync should skip metadata writeout when overwriting 2008-04-17 10:38:59 -04:00
group.h ext4: add ext4_group_t, and change all group variables to this type. 2008-01-28 23:58:27 -05:00
hash.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
ialloc.c ext4: Enable extent format for symlinks. 2008-04-29 08:11:12 -04:00
inode.c ext4: Fix race between migration and mmap write 2008-04-29 08:11:12 -04:00
ioctl.c Convert ext4 to use unlocked_ioctl 2008-04-29 22:03:54 -04:00
Makefile ext4: Add multi block allocator for ext4 2008-01-29 00:19:52 -05:00
mballoc.c ext4: reduce mballoc stack usage with noinline_for_stack 2008-04-29 08:11:12 -04:00
migrate.c ext4: Fix race between migration and mmap write 2008-04-29 08:11:12 -04:00
namei.c ext4: Enable extent format for symlinks. 2008-04-29 08:11:12 -04:00
namei.h
resize.c ext4: add missing ext4_journal_stop() 2008-02-25 15:37:42 -05:00
super.c ext4: fix mount option parsing 2008-04-29 22:05:28 -04:00
symlink.c [PATCH] mark struct inode_operations const 1 2007-02-12 09:48:46 -08:00
xattr_security.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_trusted.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr_user.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
xattr.c vfs: fix possible deadlock in ext2, ext3, ext4 when using xattrs 2008-04-15 19:35:41 -07:00
xattr.h ext4: Expand extra_inodes space per the s_{want,min}_extra_isize fields 2007-07-18 09:19:57 -04:00