From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx156.postini.com [74.125.245.156]) by kanga.kvack.org (Postfix) with SMTP id BF06C6B00EC for ; Thu, 23 Feb 2012 08:52:23 -0500 (EST) Received: by mail-bk0-f41.google.com with SMTP id y12so1365307bkt.14 for ; Thu, 23 Feb 2012 05:52:23 -0800 (PST) Subject: [PATCH v3 08/21] mm: unify inactive_list_is_low() From: Konstantin Khlebnikov Date: Thu, 23 Feb 2012 17:52:19 +0400 Message-ID: <20120223135219.12988.94138.stgit@zurg> In-Reply-To: <20120223133728.12988.5432.stgit@zurg> References: <20120223133728.12988.5432.stgit@zurg> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Hugh Dickins , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Johannes Weiner , Andrew Morton , KAMEZAWA Hiroyuki Cc: Andi Kleen Unify memcg and non-memcg logic, always use exact counters from struct lruvec. Signed-off-by: Konstantin Khlebnikov --- mm/vmscan.c | 30 ++++++++---------------------- 1 files changed, 8 insertions(+), 22 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index f3c0fbe..b3e8bab 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1822,6 +1822,7 @@ static int inactive_anon_is_low(struct mem_cgroup_zone *mz) { unsigned long active, inactive; unsigned int gb, ratio; + struct lruvec *lruvec; /* * If we don't have swap space, anonymous page deactivation @@ -1830,17 +1831,9 @@ static int inactive_anon_is_low(struct mem_cgroup_zone *mz) if (!total_swap_pages) return 0; - if (scanning_global_lru(mz)) { - active = zone_page_state(mz->zone, NR_ACTIVE_ANON); - inactive = zone_page_state(mz->zone, NR_INACTIVE_ANON); - } else { - active = mem_cgroup_zone_nr_lru_pages(mz->mem_cgroup, - zone_to_nid(mz->zone), zone_idx(mz->zone), - BIT(LRU_ACTIVE_ANON)); - inactive = mem_cgroup_zone_nr_lru_pages(mz->mem_cgroup, - zone_to_nid(mz->zone), zone_idx(mz->zone), - BIT(LRU_INACTIVE_ANON)); - } + lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup); + active = lruvec->pages_count[LRU_ACTIVE_ANON]; + inactive = lruvec->pages_count[LRU_INACTIVE_ANON]; /* Total size in gigabytes */ gb = (active + inactive) >> (30 - PAGE_SHIFT); @@ -1875,18 +1868,11 @@ static inline int inactive_anon_is_low(struct mem_cgroup_zone *mz) static int inactive_file_is_low(struct mem_cgroup_zone *mz) { unsigned long active, inactive; + struct lruvec *lruvec; - if (scanning_global_lru(mz)) { - active = zone_page_state(mz->zone, NR_ACTIVE_FILE); - inactive = zone_page_state(mz->zone, NR_INACTIVE_FILE); - } else { - active = mem_cgroup_zone_nr_lru_pages(mz->mem_cgroup, - zone_to_nid(mz->zone), zone_idx(mz->zone), - BIT(LRU_ACTIVE_FILE)); - inactive = mem_cgroup_zone_nr_lru_pages(mz->mem_cgroup, - zone_to_nid(mz->zone), zone_idx(mz->zone), - BIT(LRU_INACTIVE_FILE)); - } + lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup); + active = lruvec->pages_count[LRU_ACTIVE_FILE]; + inactive = lruvec->pages_count[LRU_INACTIVE_FILE]; return inactive < active; } -- 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/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org