From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: [patch 044/131] mm/page_alloc.c: use NODE_MASK_NONE in build_zonelists() Date: Wed, 03 Jun 2020 15:59:05 -0700 Message-ID: <20200603225905.inyR0Yovh%akpm@linux-foundation.org> References: <20200603155549.e041363450869eaae4c7f05b@linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from mail.kernel.org ([198.145.29.99]:41116 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725821AbgFCW7G (ORCPT ); Wed, 3 Jun 2020 18:59:06 -0400 In-Reply-To: <20200603155549.e041363450869eaae4c7f05b@linux-foundation.org> Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: akpm@linux-foundation.org, david@redhat.com, jhubbard@nvidia.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, pankaj.gupta.linux@gmail.com, richard.weiyang@gmail.com, torvalds@linux-foundation.org From: Wei Yang Subject: mm/page_alloc.c: use NODE_MASK_NONE in build_zonelists() Slightly simplify the code by initializing user_mask with NODE_MASK_NONE, instead of later calling nodes_clear(). This saves a line of code. Link: http://lkml.kernel.org/r/20200330220840.21228-1-richard.weiyang@gmail.com Signed-off-by: Wei Yang Reviewed-by: John Hubbard Reviewed-by: David Hildenbrand Reviewed-by: Pankaj Gupta Signed-off-by: Andrew Morton --- mm/page_alloc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/mm/page_alloc.c~mm-page_allocc-use-node_mask_none-in-build_zonelists +++ a/mm/page_alloc.c @@ -5692,14 +5692,13 @@ static void build_zonelists(pg_data_t *p { static int node_order[MAX_NUMNODES]; int node, load, nr_nodes = 0; - nodemask_t used_mask; + nodemask_t used_mask = NODE_MASK_NONE; int local_node, prev_node; /* NUMA-aware ordering of nodes */ local_node = pgdat->node_id; load = nr_online_nodes; prev_node = local_node; - nodes_clear(used_mask); memset(node_order, 0, sizeof(node_order)); while ((node = find_next_best_node(local_node, &used_mask)) >= 0) { _