From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936513AbXHJLy5 (ORCPT ); Fri, 10 Aug 2007 07:54:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S936095AbXHJLwJ (ORCPT ); Fri, 10 Aug 2007 07:52:09 -0400 Received: from mailhub.sw.ru ([195.214.233.200]:48782 "EHLO relay.sw.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S936308AbXHJLwG (ORCPT ); Fri, 10 Aug 2007 07:52:06 -0400 Date: Fri, 10 Aug 2007 15:48:30 +0400 From: xemul@openvz.org To: akpm@osdl.org Cc: xemul@openvz.org, devel@openvz.org, linux-kernel@vger.kernel.org, containers@lists.osdl.org, oleg@tv-sign.ru, sukadev@us.ibm.com Subject: [PATCH 20/20] Remove the struct pid unneeded fields Message-ID: <46BC508E.mailGLP17CM9M@openvz.org> User-Agent: nail 11.4 8/29/04 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Since we've switched from using pid->nr to pid->upids->nr some fields on struct pid are no longer needed Signed-off-by: Pavel Emelyanov Cc: Oleg Nesterov --- include/linux/init_task.h | 3 --- include/linux/pid.h | 3 --- kernel/pid.c | 1 - 3 files changed, 7 deletions(-) --- ./include/linux/init_task.h.ve17 2007-08-06 14:14:02.000000000 +0400 +++ ./include/linux/init_task.h 2007-08-06 14:14:02.000000000 +0400 @@ -93,9 +93,6 @@ extern struct group_info init_groups; #define INIT_STRUCT_PID { \ .count = ATOMIC_INIT(1), \ - .nr = 0, \ - /* Don't put this struct pid in pid_hash */ \ - .pid_chain = { .next = NULL, .pprev = NULL }, \ .tasks = { \ { .first = &init_task.pids[PIDTYPE_PID].node }, \ { .first = &init_task.pids[PIDTYPE_PGID].node }, \ --- ./include/linux/pid.h.ve17 2007-08-06 14:14:02.000000000 +0400 +++ ./include/linux/pid.h 2007-08-06 14:14:02.000000000 +0400 @@ -57,9 +57,6 @@ struct upid { struct pid { atomic_t count; - /* Try to keep pid_chain in the same cacheline as nr for find_pid */ - int nr; - struct hlist_node pid_chain; /* lists of tasks that use this pid */ struct hlist_head tasks[PIDTYPE_MAX]; struct rcu_head rcu; --- ./kernel/pid.c.ve17 2007-08-06 14:14:02.000000000 +0400 +++ ./kernel/pid.c 2007-08-06 14:14:18.000000000 +0400 @@ -259,7 +259,6 @@ struct pid *alloc_pid(struct pid_namespa get_pid_ns(ns); pid->level = ns->level; - pid->nr = pid->numbers[0].nr; atomic_set(&pid->count, 1); for (type = 0; type < PIDTYPE_MAX; ++type) INIT_HLIST_HEAD(&pid->tasks[type]);