From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f169.google.com (mail-wi0-f169.google.com [209.85.212.169]) by kanga.kvack.org (Postfix) with ESMTP id C71396B0073 for ; Tue, 21 Oct 2014 03:27:38 -0400 (EDT) Received: by mail-wi0-f169.google.com with SMTP id r20so1088423wiv.2 for ; Tue, 21 Oct 2014 00:27:38 -0700 (PDT) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id wi7si13105593wjb.150.2014.10.21.00.27.36 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 00:27:37 -0700 (PDT) From: Michal Hocko Subject: [PATCH 4/4] PM: convert do_each_thread to for_each_process_thread Date: Tue, 21 Oct 2014 09:27:15 +0200 Message-Id: <1413876435-11720-5-git-send-email-mhocko@suse.cz> In-Reply-To: <1413876435-11720-1-git-send-email-mhocko@suse.cz> References: <1413876435-11720-1-git-send-email-mhocko@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , "\\\"Rafael J. Wysocki\\\"" Cc: Cong Wang , David Rientjes , Tejun Heo , Oleg Nesterov , LKML , linux-mm@kvack.org, Linux PM list as per 0c740d0afc3b (introduce for_each_thread() to replace the buggy while_each_thread()) get rid of do_each_thread { } while_each_thread() construct and replace it by a more error prone for_each_thread. This patch doesn't introduce any user visible change. Suggested-by: Oleg Nesterov Signed-off-by: Michal Hocko --- kernel/power/process.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/kernel/power/process.c b/kernel/power/process.c index a397fa161d11..7fd7b72554fe 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -46,13 +46,13 @@ static int try_to_freeze_tasks(bool user_only) while (true) { todo = 0; read_lock(&tasklist_lock); - do_each_thread(g, p) { + for_each_process_thread(g, p) { if (p == current || !freeze_task(p)) continue; if (!freezer_should_skip(p)) todo++; - } while_each_thread(g, p); + } read_unlock(&tasklist_lock); if (!user_only) { @@ -93,11 +93,11 @@ static int try_to_freeze_tasks(bool user_only) if (!wakeup) { read_lock(&tasklist_lock); - do_each_thread(g, p) { + for_each_process_thread(g, p) { if (p != current && !freezer_should_skip(p) && freezing(p) && !frozen(p)) sched_show_task(p); - } while_each_thread(g, p); + } read_unlock(&tasklist_lock); } } else { @@ -219,11 +219,11 @@ void thaw_processes(void) thaw_workqueues(); read_lock(&tasklist_lock); - do_each_thread(g, p) { + for_each_process_thread(g, p) { /* No other threads should have PF_SUSPEND_TASK set */ WARN_ON((p != curr) && (p->flags & PF_SUSPEND_TASK)); __thaw_task(p); - } while_each_thread(g, p); + } read_unlock(&tasklist_lock); WARN_ON(!(curr->flags & PF_SUSPEND_TASK)); @@ -246,10 +246,10 @@ void thaw_kernel_threads(void) thaw_workqueues(); read_lock(&tasklist_lock); - do_each_thread(g, p) { + for_each_process_thread(g, p) { if (p->flags & (PF_KTHREAD | PF_WQ_WORKER)) __thaw_task(p); - } while_each_thread(g, p); + } read_unlock(&tasklist_lock); schedule(); -- 2.1.1 -- 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