From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752815AbbCWN06 (ORCPT ); Mon, 23 Mar 2015 09:26:58 -0400 Received: from mail-pa0-f41.google.com ([209.85.220.41]:33692 "EHLO mail-pa0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752934AbbCWN02 (ORCPT ); Mon, 23 Mar 2015 09:26:28 -0400 From: Sergey Senozhatsky To: Andrew Morton , Minchan Kim Cc: Nitin Gupta , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky , 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> X-Mailer: git-send-email 2.3.3.262.ge80e85a 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: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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