From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752126AbdCAACM (ORCPT ); Tue, 28 Feb 2017 19:02:12 -0500 Received: from gum.cmpxchg.org ([85.214.110.215]:37888 "EHLO gum.cmpxchg.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751770AbdCAABa (ORCPT ); Tue, 28 Feb 2017 19:01:30 -0500 From: Johannes Weiner To: Andrew Morton Cc: Jia He , Michal Hocko , Mel Gorman , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@fb.com Subject: [PATCH 4/9] mm: remove unnecessary reclaimability check from NUMA balancing target Date: Tue, 28 Feb 2017 16:40:02 -0500 Message-Id: <20170228214007.5621-5-hannes@cmpxchg.org> X-Mailer: git-send-email 2.11.1 In-Reply-To: <20170228214007.5621-1-hannes@cmpxchg.org> References: <20170228214007.5621-1-hannes@cmpxchg.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org NUMA balancing already checks the watermarks of the target node to decide whether it's a suitable balancing target. Whether the node is reclaimable or not is irrelevant when we don't intend to reclaim. Signed-off-by: Johannes Weiner --- mm/migrate.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/mm/migrate.c b/mm/migrate.c index 2c63ac06791b..45a18be27b1a 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1718,9 +1718,6 @@ static bool migrate_balanced_pgdat(struct pglist_data *pgdat, { int z; - if (!pgdat_reclaimable(pgdat)) - return false; - for (z = pgdat->nr_zones - 1; z >= 0; z--) { struct zone *zone = pgdat->node_zones + z; -- 2.11.1