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(parent: aaa4686) | patch
swap_info: reorder its fields
authorHugh Dickins <hugh.dickins@tiscali.co.uk>
Tue, 15 Dec 2009 01:58:48 +0000 (17:58 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 15 Dec 2009 16:53:16 +0000 (08:53 -0800)
commit7509765a29cfb1a4c506c09b304aaf3b4111c653
tree1f2de5381e044b452653a3af0f32e403ffe51931tree | snapshot (tar.gz zip)
parentaaa468653b4a0d11c603c48d716f765177a5a9e4commit | diff
swap_info: reorder its fields

Reorder (and comment) the fields of swap_info_struct, to make better
use of its cachelines: it's good for swap_duplicate() in particular
if unsigned int max and swap_map are near the start.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/swap.h diff | blob | blame | history