linux-kernel - linux-next: build warning after merge of the akpm-current tree

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Message-ID: <20191106180531.11419dca@canb.auug.org.au>
Date:   Wed, 6 Nov 2019 18:05:31 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        yuqi jin <jinyuqi@...wei.com>,
        Shaokun Zhang <zhangshaokun@...ilicon.com>
Subject: linux-next: build warning after merge of the akpm-current tree

Hi all,

After merging the akpm-current tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

lib/cpumask.c: In function 'cpumask_local_spread':
lib/cpumask.c:302:1: warning: the frame size of 5472 bytes is larger than 2048 bytes [-Wframe-larger-than=]
  302 | }
      | ^

Introduced by commit

  3d591f2836cf ("lib: optimize cpumask_local_spread()")

MAX_NUMNODES == (1 << NODES_SHIFT) and NODES_SHIFT == CONFIG_NODES_SHIFT== 10,
so MAX_NUMNODES == 1024 and there is an int array and a bool array of that
size declared here :-(

-- 
Cheers,
Stephen Rothwell

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