From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx166.postini.com [74.125.245.166]) by kanga.kvack.org (Postfix) with SMTP id B49FD6B0033 for ; Tue, 18 Jun 2013 18:12:11 -0400 (EDT) Received: from /spool/local by e7.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 18 Jun 2013 18:12:10 -0400 Received: from d01relay01.pok.ibm.com (d01relay01.pok.ibm.com [9.56.227.233]) by d01dlp03.pok.ibm.com (Postfix) with ESMTP id D14C3C90044 for ; Tue, 18 Jun 2013 18:12:06 -0400 (EDT) Received: from d01av01.pok.ibm.com (d01av01.pok.ibm.com [9.56.224.215]) by d01relay01.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r5IMB70m308354 for ; Tue, 18 Jun 2013 18:11:07 -0400 Received: from d01av01.pok.ibm.com (loopback [127.0.0.1]) by d01av01.pok.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r5IMB7lf031602 for ; Tue, 18 Jun 2013 18:11:07 -0400 From: Cody P Schafer Subject: [PATCH] mm/page_alloc: remove repetitious local_irq_save() in __zone_pcp_update() Date: Tue, 18 Jun 2013 15:10:37 -0700 Message-Id: <1371593437-30002-1-git-send-email-cody@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Cody P Schafer , Linux MM __zone_pcp_update() is called via stop_machine(), which already disables local irq. Signed-off-by: Cody P Schafer --- mm/page_alloc.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bac3107..b46b54a 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -6179,7 +6179,7 @@ static int __meminit __zone_pcp_update(void *data) { struct zone *zone = data; int cpu; - unsigned long batch = zone_batchsize(zone), flags; + unsigned long batch = zone_batchsize(zone); for_each_possible_cpu(cpu) { struct per_cpu_pageset *pset; @@ -6188,12 +6188,10 @@ static int __meminit __zone_pcp_update(void *data) pset = per_cpu_ptr(zone->pageset, cpu); pcp = &pset->pcp; - local_irq_save(flags); if (pcp->count > 0) free_pcppages_bulk(zone, pcp->count, pcp); drain_zonestat(zone, pset); setup_pageset(pset, batch); - local_irq_restore(flags); } return 0; } -- 1.8.3.1 -- 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