From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with SMTP id 7B3859000BD for ; Mon, 26 Sep 2011 04:07:06 -0400 (EDT) Subject: [patch]mm: initialize zone all_unreclaimable From: Shaohua Li Content-Type: text/plain; charset="UTF-8" Date: Mon, 26 Sep 2011 16:11:52 +0800 Message-ID: <1317024712.29510.178.camel@sli10-conroe> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: linux-mm I saw DMA zone is always unreclaimable in my system. zone->all_unreclaimable isn't initialized till a page from the zone is freed. This isn't a big problem normally, but a little confused, so fix here. Signed-off-by: Shaohua Li diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6e8ecb6..1facc05 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4335,6 +4335,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, zone_pcp_init(zone); for_each_lru(l) INIT_LIST_HEAD(&zone->lru[l].list); + zone->all_unreclaimable = 0; zone->reclaim_stat.recent_rotated[0] = 0; zone->reclaim_stat.recent_rotated[1] = 0; zone->reclaim_stat.recent_scanned[0] = 0; -- 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