From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755240AbYBWX1D (ORCPT ); Sat, 23 Feb 2008 18:27:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751288AbYBWX0v (ORCPT ); Sat, 23 Feb 2008 18:26:51 -0500 Received: from smtp-out.google.com ([216.239.45.13]:39425 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750797AbYBWX0v (ORCPT ); Sat, 23 Feb 2008 18:26:51 -0500 DomainKey-Signature: a=rsa-sha1; s=beta; d=google.com; c=nofws; q=dns; h=received:message-id:references:user-agent:date:from:to:cc: subject:content-disposition; b=TTN+vqX82VVy4LiqUk1KhYK172GRXucaGlKMMFDsPeRfxnORv4si9owQLlH1nEIpQ hAn9Ab6Je1UZCJ3l4JLEQ== Message-Id: <20080223232617.634408000@menage.corp.google.com> References: <20080223224725.115590000@menage.corp.google.com> User-Agent: quilt/0.45-1 Date: Sat, 23 Feb 2008 14:47:28 -0800 From: menage@google.com To: akpm@linux-foundation.org, balbir@in.ibm.com, pj@sgi.com, Pavel Emelianov , KAMEZAWA Hiroyuki , YAMAMOTO Takashi Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org Subject: [PATCH 03/10] CGroup API files: Use read_u64 in memory controller Content-Disposition: inline; filename=memcontrol_use_res_counter_read_uint.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Update the memory controller to use read_u64 for its limit/usage/failcnt control files, calling the new res_counter_read_u64() function. Signed-off-by: Paul Menage --- mm/memcontrol.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) Index: cgroup-2.6.25-rc2-mm1/mm/memcontrol.c =================================================================== --- cgroup-2.6.25-rc2-mm1.orig/mm/memcontrol.c +++ cgroup-2.6.25-rc2-mm1/mm/memcontrol.c @@ -922,13 +922,10 @@ int mem_cgroup_write_strategy(char *buf, return 0; } -static ssize_t mem_cgroup_read(struct cgroup *cont, - struct cftype *cft, struct file *file, - char __user *userbuf, size_t nbytes, loff_t *ppos) +static u64 mem_cgroup_read(struct cgroup *cont, struct cftype *cft) { - return res_counter_read(&mem_cgroup_from_cont(cont)->res, - cft->private, userbuf, nbytes, ppos, - NULL); + return res_counter_read_u64(&mem_cgroup_from_cont(cont)->res, + cft->private); } static ssize_t mem_cgroup_write(struct cgroup *cont, struct cftype *cft, @@ -1024,18 +1021,18 @@ static struct cftype mem_cgroup_files[] { .name = "usage_in_bytes", .private = RES_USAGE, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "limit_in_bytes", .private = RES_LIMIT, .write = mem_cgroup_write, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "failcnt", .private = RES_FAILCNT, - .read = mem_cgroup_read, + .read_u64 = mem_cgroup_read, }, { .name = "force_empty", --