From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932810AbcGDJ50 (ORCPT ); Mon, 4 Jul 2016 05:57:26 -0400 Received: from www.linutronix.de ([62.245.132.108]:57825 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932593AbcGDJwf (ORCPT ); Mon, 4 Jul 2016 05:52:35 -0400 Message-Id: <20160704094342.030144293@linutronix.de> User-Agent: quilt/0.63-1 Date: Mon, 04 Jul 2016 09:50:29 -0000 From: Thomas Gleixner To: LKML Cc: Ingo Molnar , Peter Zijlstra , Paul McKenney , Frederic Weisbecker , Chris Mason , Arjan van de Ven , rt@linutronix.de, Rik van Riel , George Spelvin , Len Brown , Josh Triplett Subject: [patch 4 13/22] timer: Reduce the CPU index space to 256k References: <20160704093956.299369787@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=timer--Reduce-the-CPU-index-space-to-256k.patch X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001,URIBL_BLOCKED=0.001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We want to store the array index in the flags space. 256k CPUs should be enough for a while. Signed-off-by: Thomas Gleixner Reviewed-by: Frederic Weisbecker --- include/linux/timer.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -58,12 +58,12 @@ struct timer_list { * workqueue locking issues. It's not meant for executing random crap * with interrupts disabled. Abuse is monitored! */ -#define TIMER_CPUMASK 0x0007FFFF -#define TIMER_MIGRATING 0x00080000 +#define TIMER_CPUMASK 0x0003FFFF +#define TIMER_MIGRATING 0x00040000 #define TIMER_BASEMASK (TIMER_CPUMASK | TIMER_MIGRATING) -#define TIMER_DEFERRABLE 0x00100000 -#define TIMER_PINNED 0x00200000 -#define TIMER_IRQSAFE 0x00400000 +#define TIMER_DEFERRABLE 0x00080000 +#define TIMER_PINNED 0x00100000 +#define TIMER_IRQSAFE 0x00200000 #define __TIMER_INITIALIZER(_function, _expires, _data, _flags) { \ .entry = { .next = TIMER_ENTRY_STATIC }, \