linux-kernel - [PATCH 04/10] oom: move sysctl declarations to oom.h

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Date:	Tue,  8 Jun 2010 20:57:42 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	"Luis Claudio R. Goncalves" <lclaudio@...g.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Oleg Nesterov <oleg@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Nick Piggin <npiggin@...e.de>,
	Minchan Kim <minchan.kim@...il.com>
Cc:	kosaki.motohiro@...fujitsu.com
Subject: [PATCH 04/10] oom: move sysctl declarations to oom.h

From: David Rientjes <rientjes@...gle.com>

The three oom killer sysctl variables (sysctl_oom_dump_tasks,
sysctl_oom_kill_allocating_task, and sysctl_panic_on_oom) are better
declared in include/linux/oom.h rather than kernel/sysctl.c.

Signed-off-by: David Rientjes <rientjes@...gle.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
---
 include/linux/oom.h |    6 ++++++
 kernel/sysctl.c     |    4 +---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/include/linux/oom.h b/include/linux/oom.h
index effb223..14eb449 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -45,5 +45,11 @@ static inline void oom_killer_enable(void)
 {
 	oom_killer_disabled = false;
 }
+
+/* sysctls */
+extern int sysctl_oom_dump_tasks;
+extern int sysctl_oom_kill_allocating_task;
+extern int sysctl_panic_on_oom;
+
 #endif /* __KERNEL__*/
 #endif /* _INCLUDE_LINUX_OOM_H */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 88ac884..4dfd618 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -55,6 +55,7 @@
 #include <linux/perf_event.h>
 #include <linux/kprobes.h>
 #include <linux/pipe_fs_i.h>
+#include <linux/oom.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -87,9 +88,6 @@
 /* External variables not in a header file. */
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
-extern int sysctl_panic_on_oom;
-extern int sysctl_oom_kill_allocating_task;
-extern int sysctl_oom_dump_tasks;
 extern int max_threads;
 extern int core_uses_pid;
 extern int suid_dumpable;
-- 
1.6.5.2



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