From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934623Ab1JaTGS (ORCPT ); Mon, 31 Oct 2011 15:06:18 -0400 Received: from mail-qy0-f174.google.com ([209.85.216.174]:63571 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755069Ab1JaTGO (ORCPT ); Mon, 31 Oct 2011 15:06:14 -0400 From: Tejun Heo To: rjw@sisk.pl, paul@paulmenage.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Cc: arnd@arndb.de, oleg@redhat.com, matthltc@us.ibm.com, Tejun Heo Subject: [PATCH 16/17] freezer: remove should_send_signal() and update frozen() Date: Mon, 31 Oct 2011 12:05:27 -0700 Message-Id: <1320087928-32307-17-git-send-email-tj@kernel.org> X-Mailer: git-send-email 1.7.3.1 In-Reply-To: <1320087928-32307-1-git-send-email-tj@kernel.org> References: <1320087928-32307-1-git-send-email-tj@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org should_send_signal() is only used in freezer.c. Exporting them only increases chance of abuse. Open code the two users and remove it. Update frozen() to return bool. Signed-off-by: Tejun Heo --- include/linux/freezer.h | 9 ++------- kernel/freezer.c | 2 +- 2 files changed, 3 insertions(+), 8 deletions(-) diff --git a/include/linux/freezer.h b/include/linux/freezer.h index 6152e46..3dd2110 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -15,7 +15,7 @@ extern bool pm_nosig_freezing; /* PM nosig freezing in effect */ /* * Check if a process has been frozen */ -static inline int frozen(struct task_struct *p) +static inline bool frozen(struct task_struct *p) { return p->flags & PF_FROZEN; } @@ -32,11 +32,6 @@ static inline bool freezing(struct task_struct *p) return freezing_slow_path(p); } -static inline bool should_send_signal(struct task_struct *p) -{ - return !(p->flags & PF_FREEZER_NOSIG); -} - /* Takes and releases task alloc lock using task_lock() */ extern void __thaw_task(struct task_struct *t); @@ -171,7 +166,7 @@ static inline void set_freezable_with_signal(void) __retval; \ }) #else /* !CONFIG_FREEZER */ -static inline int frozen(struct task_struct *p) { return 0; } +static inline bool frozen(struct task_struct *p) { return false; } static inline bool freezing(struct task_struct *p) { return false; } static inline bool __refrigerator(bool check_kthr_stop) { return false; } diff --git a/kernel/freezer.c b/kernel/freezer.c index a797f41..c89608d 100644 --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -132,7 +132,7 @@ bool freeze_task(struct task_struct *p, bool sig_only) return false; } - if (should_send_signal(p)) { + if (!(p->flags & PF_FREEZER_NOSIG)) { fake_signal_wake_up(p); /* * fake_signal_wake_up() goes through p's scheduler -- 1.7.3.1