linux-kernel - [PATCH 12/31] selinux: tag avc cache alloc as non-critical

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Message-Id: <1254406017-16084-1-git-send-email-sjayaraman@suse.de>
Date:	Thu,  1 Oct 2009 19:36:57 +0530
From:	Suresh Jayaraman <sjayaraman@...e.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:	netdev@...r.kernel.org, Neil Brown <neilb@...e.de>,
	Miklos Szeredi <mszeredi@...e.cz>, Wouter Verhelst <w@...r.be>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	trond.myklebust@....uio.no, Suresh Jayaraman <sjayaraman@...e.de>
Subject: [PATCH 12/31] selinux: tag avc cache alloc as non-critical

From: Peter Zijlstra <a.p.zijlstra@...llo.nl> 

Failing to allocate a cache entry will only harm performance not correctness.
Do not consume valuable reserve pages for something like that.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Signed-off-by: Suresh Jayaraman <sjayaraman@...e.de>
---
 security/selinux/avc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: mmotm/security/selinux/avc.c
===================================================================
--- mmotm.orig/security/selinux/avc.c
+++ mmotm/security/selinux/avc.c
@@ -344,7 +344,7 @@ static struct avc_node *avc_alloc_node(v
 {
 	struct avc_node *node;
 
-	node = kmem_cache_zalloc(avc_node_cachep, GFP_ATOMIC);
+	node = kmem_cache_zalloc(avc_node_cachep, GFP_ATOMIC|__GFP_NOMEMALLOC);
 	if (!node)
 		goto out;
 
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