From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751784Ab3IIJQW (ORCPT ); Mon, 9 Sep 2013 05:16:22 -0400 Received: from hermes.synopsys.com ([198.182.44.81]:58895 "EHLO hermes.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750960Ab3IIJQR (ORCPT ); Mon, 9 Sep 2013 05:16:17 -0400 From: Vineet Gupta To: , , CC: Vineet Gupta , Ingo Molnar , Peter Zijlstra Subject: [PATCH 3/3] sched: Remove ARCH specific fpu_counter from task_struct Date: Mon, 9 Sep 2013 14:45:23 +0530 Message-ID: <1378718123-7372-3-git-send-email-vgupta@synopsys.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1378718123-7372-1-git-send-email-vgupta@synopsys.com> References: <1378718123-7372-1-git-send-email-vgupta@synopsys.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.12.197.111] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org fpu_counter in task_struct was used only by sh/x86. Both of these now carry it in ARCH specific thread_struct, hence this can now be removed from generic task_struct, shrinking it slightly for other arches. Signed-off-by: Vineet Gupta Cc: Ingo Molnar Cc: Peter Zijlstra --- include/linux/sched.h | 9 --------- 1 file changed, 9 deletions(-) diff --git a/include/linux/sched.h b/include/linux/sched.h index 078066d..b560364 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1051,15 +1051,6 @@ struct task_struct { struct hlist_head preempt_notifiers; #endif - /* - * fpu_counter contains the number of consecutive context switches - * that the FPU is used. If this is over a threshold, the lazy fpu - * saving becomes unlazy to save the trap. This is an unsigned char - * so that after 256 times the counter wraps and the behavior turns - * lazy again; this to deal with bursty apps that only use FPU for - * a short time - */ - unsigned char fpu_counter; #ifdef CONFIG_BLK_DEV_IO_TRACE unsigned int btrace_seq; #endif -- 1.8.1.2