linux-kernel - [PATCH v2 02/16] include/linux/nodemask.h: define next_memory_node() if !CONFIG

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Date:   Tue, 13 Apr 2021 00:56:19 -0600
From:   Yu Zhao <yuzhao@...gle.com>
To:     linux-mm@...ck.org
Cc:     Alex Shi <alexs@...nel.org>, Andi Kleen <ak@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Benjamin Manes <ben.manes@...il.com>,
        Dave Chinner <david@...morbit.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Hillf Danton <hdanton@...a.com>, Jens Axboe <axboe@...nel.dk>,
        Johannes Weiner <hannes@...xchg.org>,
        Jonathan Corbet <corbet@....net>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Matthew Wilcox <willy@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Michael Larabel <michael@...haellarabel.com>,
        Michal Hocko <mhocko@...e.com>,
        Michel Lespinasse <michel@...pinasse.org>,
        Rik van Riel <riel@...riel.com>,
        Roman Gushchin <guro@...com>,
        Rong Chen <rong.a.chen@...el.com>,
        SeongJae Park <sjpark@...zon.de>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Yang Shi <shy828301@...il.com>,
        Ying Huang <ying.huang@...el.com>, Zi Yan <ziy@...dia.com>,
        linux-kernel@...r.kernel.org, lkp@...ts.01.org,
        page-reclaim@...gle.com, Yu Zhao <yuzhao@...gle.com>
Subject: [PATCH v2 02/16] include/linux/nodemask.h: define next_memory_node()
 if !CONFIG_NUMA

Currently next_memory_node only exists when CONFIG_NUMA=y. This patch
adds the macro for !CONFIG_NUMA.

Signed-off-by: Yu Zhao <yuzhao@...gle.com>
---
 include/linux/nodemask.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index ac398e143c9a..89fe4e3592f9 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -486,6 +486,7 @@ static inline int num_node_state(enum node_states state)
 #define first_online_node	0
 #define first_memory_node	0
 #define next_online_node(nid)	(MAX_NUMNODES)
+#define next_memory_node(nid)	(MAX_NUMNODES)
 #define nr_node_ids		1U
 #define nr_online_nodes		1U
 
-- 
2.31.1.295.g9ea45b61b8-goog