From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by kanga.kvack.org (Postfix) with ESMTP id 602842802C4 for ; Wed, 15 Jul 2015 19:42:45 -0400 (EDT) Received: by pdjr16 with SMTP id r16so33188354pdj.3 for ; Wed, 15 Jul 2015 16:42:45 -0700 (PDT) Received: from lgemrelse6q.lge.com (LGEMRELSE6Q.lge.com. [156.147.1.121]) by mx.google.com with ESMTP id i3si1134250pdp.75.2015.07.15.16.42.43 for ; Wed, 15 Jul 2015 16:42:44 -0700 (PDT) From: Minchan Kim Subject: [PATCH] zsmalloc: use class->pages_per_zspage Date: Thu, 16 Jul 2015 08:42:44 +0900 Message-Id: <1437003764-2968-1-git-send-email-minchan@kernel.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Sergey Senozhatsky , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Minchan Kim There is no need to recalcurate pages_per_zspage in runtime. Just use class->pages_per_zspage to avoid unnecessary runtime overhead. Signed-off-by: Minchan Kim --- mm/zsmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index 27b9661c8fa6..154a30e9c8a8 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1711,7 +1711,7 @@ static unsigned long zs_can_compact(struct size_class *class) obj_wasted /= get_maxobj_per_zspage(class->size, class->pages_per_zspage); - return obj_wasted * get_pages_per_zspage(class->size); + return obj_wasted * class->pages_per_zspage; } static void __zs_compact(struct zs_pool *pool, struct size_class *class) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org