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

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Message-ID: <20171130144653.1e2e7fab@canb.auug.org.au>
Date:   Thu, 30 Nov 2017 14:46:53 +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>,
        Waiman Long <longman@...hat.com>,
        "David S. Miller" <davem@...emloft.net>, sparclinux@...r.kernel.org
Subject: linux-next: build failure after merge of the akpm-current tree

Hi Andrew,

After merging the akpm-current tree, today's linux-next build (sparc
defconfig) failed like this:

mm/list_lru.c: In function 'list_lru_del':
mm/list_lru.c:141:2: error: implicit declaration of function 'prefetchw' [-Werror=implicit-function-declaration]
  prefetchw(item->prev);
  ^

Caused by commit

  9b4516980e87 ("mm/list_lru.c: prefetch neighboring list entries before acquiring lock")

Missing include of linux/prefetch.h?

I have reverted that commit for today.

-- 
Cheers,
Stephen Rothwell