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From:   Gonsolo <gonsolo@gmail.com>
Date:   Mon, 4 May 2020 14:08:46 +0200
Message-ID: <CANL0fFQrO+kApsQd0N1+=_rPX_REBzpGf15J7Dmizb3WG1Xctw@mail.gmail.com>
Subject: Re: [PATCH 1/1] Fix undefined reference to 'node_reclaim_distance'.
To:     Randy Dunlap <rdunlap@infradead.org>
Cc:     Matt Fleming <matt@codeblueprint.co.uk>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        Linux-sh list <linux-sh@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Sender: linux-kernel-owner@vger.kernel.org
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Hi!

> Yes, it fixes the arch/sh/ build errors in my testing.
> I don't have a failing ppc64 .config file to test.

As of v5.7-rc4 this patch doesn't seem to have been applied and the
build is still failing:
http://kisskb.ellerman.id.au/kisskb/buildresult/14067948/

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 6ec1e595b1d4..bf20e5883026 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1281,7 +1281,6 @@ static int                      sched_domains_curr_level;
int                          sched_max_numa_distance;
static int                   *sched_domains_numa_distance;
static struct cpumask                ***sched_domains_numa_masks;
-int __read_mostly            node_reclaim_distance = RECLAIM_DISTANCE;
#endif

/*
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 4785a8a2040e..733890d913ea 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3523,6 +3523,7 @@ bool zone_watermark_ok_safe(struct zone *z,
unsigned int order,
}

#ifdef CONFIG_NUMA
+int __read_mostly            node_reclaim_distance = RECLAIM_DISTANCE;
static bool zone_allows_reclaim(struct zone *local_zone, struct zone *zone)
{
    return node_distance(zone_to_nid(local_zone), zone_to_nid(zone)) <=

-- 
g