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

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Message-ID: <20140514081331.GZ23991@suse.de>
Date:	Wed, 14 May 2014 09:13:31 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-next@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-kernel@...r.kernel.org, Rik van Riel <riel@...hat.com>
Subject: Re: linux-next: build failure after merge of the akpm-current tree
 number_of_cpusets -fix

Stephen Rothwell reported the following build failure on -next.

In file included from arch/powerpc/mm/numa.c:23:0:
include/linux/cpuset.h: In function 'cpusets_enabled':
include/linux/cpuset.h:21:2: error: implicit declaration of function 'static_key_false' [-Werror=implicit-function-declaration]
  return static_key_false(&cpusets_enabled_key);
  ^
include/linux/cpuset.h: In function 'nr_cpusets':
include/linux/cpuset.h:27:2: error: implicit declaration of function 'static_key_count' [-Werror=implicit-function-declaration]
  return static_key_count(&cpusets_enabled_key) + 1;
  ^
include/linux/cpuset.h: In function 'cpuset_inc':
include/linux/cpuset.h:32:2: error: implicit declaration of function 'static_key_slow_inc' [-Werror=implicit-function-declaration]
  static_key_slow_inc(&cpusets_enabled_key);
  ^
include/linux/cpuset.h: In function 'cpuset_dec':
include/linux/cpuset.h:37:2: error: implicit declaration of function 'static_key_slow_dec' [-Werror=implicit-function-declaration]
  static_key_slow_dec(&cpusets_enabled_key);
  ^

This is a fix to the mmotm patch mm-page_alloc-use-jump-labels-to-avoid-checking-number_of_cpusets.patch.

Signed-off-by: Mel Gorman <mgorman@...e.de>
---
 include/linux/cpuset.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index a94af76..ade2390 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -12,6 +12,7 @@
 #include <linux/cpumask.h>
 #include <linux/nodemask.h>
 #include <linux/mm.h>
+#include <linux/jump_label.h>
 
 #ifdef CONFIG_CPUSETS
 
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