tree fae7206c9aff698b76c5c6aab796539d047947bc
parent 679299b32dbf9bac4bdaedc850fb95d0f81b4963
author Matt Mackall <mpm@selenic.com> 1202192977 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1202233459 -0800

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>