linux-kernel - [RFC v1 13/19] mm, page_alloc: use first_node in local_memory

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Message-Id: <20191121151811.49742-14-fly@kernel.page>
Date:   Thu, 21 Nov 2019 23:18:05 +0800
From:   Pengfei Li <fly@...nel.page>
To:     akpm@...ux-foundation.org
Cc:     mgorman@...hsingularity.net, mhocko@...nel.org, vbabka@...e.cz,
        cl@...ux.com, iamjoonsoo.kim@....com, guro@...com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Pengfei Li <fly@...nel.page>
Subject: [RFC v1 13/19] mm, page_alloc: use first_node in local_memory_node()

In local_memory_node(), we want to access first node instead of
first zone, so use first_node_nlist instead of first_zone_nlist.

Signed-off-by: Pengfei Li <fly@...nel.page>
---
 mm/page_alloc.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index aa5c2ef4f8ec..5c96d1ecd643 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5673,12 +5673,8 @@ static void build_zonelists(pg_data_t *pgdat)
  */
 int local_memory_node(int node)
 {
-	struct zone *zone;
-
-	zone = first_zone_nlist_nodemask(node_nodelist(node, GFP_KERNEL),
-				   gfp_zone(GFP_KERNEL),
-				   NULL);
-	return zone_to_nid(zone);
+	return first_node_nlist_nodemask(node_nodelist(node, GFP_KERNEL),
+						gfp_zone(GFP_KERNEL), NULL);
 }
 #endif
 
-- 
2.23.0