From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f173.google.com (mail-pd0-f173.google.com [209.85.192.173]) by kanga.kvack.org (Postfix) with ESMTP id 684F36B006C for ; Mon, 23 Mar 2015 09:26:29 -0400 (EDT) Received: by pdbop1 with SMTP id op1so187691382pdb.2 for ; Mon, 23 Mar 2015 06:26:29 -0700 (PDT) Received: from mail-pa0-x234.google.com (mail-pa0-x234.google.com. [2607:f8b0:400e:c03::234]) by mx.google.com with ESMTPS id zu3si997229pbc.175.2015.03.23.06.26.28 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Mar 2015 06:26:28 -0700 (PDT) Received: by pacwe9 with SMTP id we9so191748083pac.1 for ; Mon, 23 Mar 2015 06:26:28 -0700 (PDT) From: Sergey Senozhatsky Subject: [PATCH 1/2] zsmalloc: remove synchronize_rcu from zs_compact() Date: Mon, 23 Mar 2015 22:26:38 +0900 Message-Id: <1427117199-2763-2-git-send-email-sergey.senozhatsky@gmail.com> In-Reply-To: <1427117199-2763-1-git-send-email-sergey.senozhatsky@gmail.com> References: <1427117199-2763-1-git-send-email-sergey.senozhatsky@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Minchan Kim Cc: Nitin Gupta , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , Sergey Senozhatsky Do not synchronize rcu in zs_compact(). Neither zsmalloc not zram use rcu. Signed-off-by: Sergey Senozhatsky --- mm/zsmalloc.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index cf4f074..d1bbb04 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1776,8 +1776,6 @@ unsigned long zs_compact(struct zs_pool *pool) nr_migrated += __zs_compact(pool, class); } - synchronize_rcu(); - return nr_migrated; } EXPORT_SYMBOL_GPL(zs_compact); -- 2.3.3.262.ge80e85a -- 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