From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752676Ab1HTNZW (ORCPT ); Sat, 20 Aug 2011 09:25:22 -0400 Received: from mail-pz0-f42.google.com ([209.85.210.42]:54302 "EHLO mail-pz0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751761Ab1HTNZV (ORCPT ); Sat, 20 Aug 2011 09:25:21 -0400 Message-ID: <4E4FB5A9.700@gmail.com> Date: Sat, 20 Aug 2011 21:24:57 +0800 From: Zhao Jin User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:6.0) Gecko/20110812 Thunderbird/6.0 MIME-Version: 1.0 To: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com, x86@kernel.org, trivial@kernel.org CC: linux-kernel@vger.kernel.org Subject: [PATCH] x86: trivial: remove unnecessary get_order in free_thread_info Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhao Jin Because THREAD_SIZE is defined as PAGE_SIZE << THREAD_ORDER on x86, the call of get_order(THREAD_SIZE) can be replaced with THREAD_ORDER. Signed-off-by: Zhao Jin --- arch/x86/kernel/process.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index e7e3b01..b9b3b1a 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -49,7 +49,7 @@ void free_thread_xstate(struct task_struct *tsk) void free_thread_info(struct thread_info *ti) { free_thread_xstate(ti->task); - free_pages((unsigned long)ti, get_order(THREAD_SIZE)); + free_pages((unsigned long)ti, THREAD_ORDER); } void arch_task_cache_init(void) -- 1.7.4.1