diff options
| author | Eric Sandeen <[email protected]> | 2008-04-29 08:11:12 -0400 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2008-04-29 08:11:12 -0400 |
| commit | 4ddfef7b41aebbbede73f361cb938800ba3072dc (patch) | |
| tree | c4d0b722424220a02af393b7be7298e456ba4954 /tools/perf/scripts/python | |
| parent | 5cdd7b2d7716a7ed7d6dc7588e2d015f04d46640 (diff) | |
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 <[email protected]>
Signed-off-by: Mingming Cao <[email protected]>
Signed-off-by: "Theodore Ts'o" <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions