zsmalloc: remove unnecessary insertion/removal of zspage in compaction
authorMinchan Kim <minchan@kernel.org>
Wed, 15 Apr 2015 23:16:18 +0000 (16:16 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 15 Apr 2015 23:35:22 +0000 (16:35 -0700)
commit839373e645d12613308d9148041c4bd967bce8d5
tree79a29675e15f8eb8bd4fcca5f035a96b2154e049
parent495819ead5ad02174208994ca610852a7791a2f2
zsmalloc: remove unnecessary insertion/removal of zspage in compaction

In putback_zspage, we don't need to insert a zspage into list of zspage
in size_class again to just fix fullness group. We could do directly
without reinsertion so we could save some instuctions.

Reported-by: Heesub Shin <heesub.shin@samsung.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Seth Jennings <sjennings@variantweb.net>
Cc: Ganesh Mahendran <opensource.ganesh@gmail.com>
Cc: Luigi Semenzato <semenzato@google.com>
Cc: Gunho Lee <gunho.lee@lge.com>
Cc: Juneho Choi <juno.choi@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/zsmalloc.c