From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f50.google.com (mail-ee0-f50.google.com [74.125.83.50]) by kanga.kvack.org (Postfix) with ESMTP id 37E6B6B0037 for ; Mon, 3 Feb 2014 19:58:39 -0500 (EST) Received: by mail-ee0-f50.google.com with SMTP id d17so3948066eek.37 for ; Mon, 03 Feb 2014 16:58:38 -0800 (PST) Received: from zene.cmpxchg.org (zene.cmpxchg.org. [2a01:238:4224:fa00:ca1f:9ef3:caee:a2bd]) by mx.google.com with ESMTPS id k3si38625226eep.183.2014.02.03.16.58.37 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Mon, 03 Feb 2014 16:58:38 -0800 (PST) From: Johannes Weiner Subject: [patch 01/10] mm: vmstat: fix UP zone state accounting Date: Mon, 3 Feb 2014 19:53:33 -0500 Message-Id: <1391475222-1169-2-git-send-email-hannes@cmpxchg.org> In-Reply-To: <1391475222-1169-1-git-send-email-hannes@cmpxchg.org> References: <1391475222-1169-1-git-send-email-hannes@cmpxchg.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Andi Kleen , Andrea Arcangeli , Bob Liu , Christoph Hellwig , Dave Chinner , Greg Thelen , Hugh Dickins , Jan Kara , KOSAKI Motohiro , Luigi Semenzato , Mel Gorman , Metin Doslu , Michel Lespinasse , Minchan Kim , Ozgun Erdogan , Peter Zijlstra , Rik van Riel , Roman Gushchin , Ryan Mallon , Tejun Heo , Vlastimil Babka , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Fengguang Wu's build testing spotted problems with inc_zone_state() and dec_zone_state() on UP configurations in out-of-tree patches. inc_zone_state() is declared but not defined, dec_zone_state() is missing entirely. Just like with *_zone_page_state(), they can be defined like their preemption-unsafe counterparts on UP. Signed-off-by: Johannes Weiner --- include/linux/vmstat.h | 29 +++++++++++++++-------------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index a67b38415768..a32dbd2c2155 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -179,8 +179,6 @@ extern void zone_statistics(struct zone *, struct zone *, gfp_t gfp); #define add_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, __d) #define sub_zone_page_state(__z, __i, __d) mod_zone_page_state(__z, __i, -(__d)) -extern void inc_zone_state(struct zone *, enum zone_stat_item); - #ifdef CONFIG_SMP void __mod_zone_page_state(struct zone *, enum zone_stat_item item, int); void __inc_zone_page_state(struct page *, enum zone_stat_item); @@ -216,24 +214,12 @@ static inline void __mod_zone_page_state(struct zone *zone, zone_page_state_add(delta, zone, item); } -static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) -{ - atomic_long_inc(&zone->vm_stat[item]); - atomic_long_inc(&vm_stat[item]); -} - static inline void __inc_zone_page_state(struct page *page, enum zone_stat_item item) { __inc_zone_state(page_zone(page), item); } -static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) -{ - atomic_long_dec(&zone->vm_stat[item]); - atomic_long_dec(&vm_stat[item]); -} - static inline void __dec_zone_page_state(struct page *page, enum zone_stat_item item) { @@ -248,6 +234,21 @@ static inline void __dec_zone_page_state(struct page *page, #define dec_zone_page_state __dec_zone_page_state #define mod_zone_page_state __mod_zone_page_state +static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) +{ + atomic_long_inc(&zone->vm_stat[item]); + atomic_long_inc(&vm_stat[item]); +} + +static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) +{ + atomic_long_dec(&zone->vm_stat[item]); + atomic_long_dec(&vm_stat[item]); +} + +#define inc_zone_state __inc_zone_state +#define dec_zone_state __dec_zone_state + #define set_pgdat_percpu_threshold(pgdat, callback) { } static inline void refresh_cpu_vm_stats(int cpu) { } -- 1.8.5.3 -- 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