| commit | 20cecbae44528d347c46e71f40650b75e0dcbc8e | |
| author | Matt Mackall <mpm@selenic.com> | |
| Tue, 5 Feb 2008 06:29:37 +0000 (4 22:29 -0800) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Tue, 5 Feb 2008 17:44:19 +0000 (5 09:44 -0800) | ||
| tree | fae7206c9aff698b76c5c6aab796539d047947bc | treesnapshot (tar.gz zip) |
| parent | 679299b32dbf9bac4bdaedc850fb95d0f81b4963 | commitdiff |
slob: reduce external fragmentation by using three free lists
By putting smaller objects on their own list, we greatly reduce overall
external fragmentation and increase repeatability. This reduces total SLOB
overhead from > 50% to ~6% on a simple boot test.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
By putting smaller objects on their own list, we greatly reduce overall
external fragmentation and increase repeatability. This reduces total SLOB
overhead from > 50% to ~6% on a simple boot test.
Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| mm/slob.c | diffblobblamehistory |