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Message-ID: <4B21FD7A.9010006@cs.helsinki.fi>
Date: Fri, 11 Dec 2009 10:06:18 +0200
From: Pekka Enberg <penberg@cs.helsinki.fi>
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To: Li Zefan <lizf@cn.fujitsu.com>
CC: Ingo Molnar <mingo@elte.hu>, Christoph Lameter <cl@linux-foundation.org>,
       Steven Rostedt <rostedt@goodmis.org>,
       Frederic Weisbecker <fweisbec@gmail.com>,
       "linux-mm@kvack.org" <linux-mm@kvack.org>,
       LKML <linux-kernel@vger.kernel.org>,
       Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Subject: Re: [PATCH 1/2] tracing: Define kmem_cache_alloc_notrace ifdef CONFIG_TRACING
References: <4B21F89A.7000801@cn.fujitsu.com>
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Li Zefan kirjoitti:
> Define kmem_trace_alloc_{,node}_notrace() if CONFIG_TRACING is
> enabled, otherwise perf-kmem will show wrong stats ifndef
> CONFIG_KMEM_TRACE, because a kmalloc() memory allocation may
> be traced by both trace_kmalloc() and trace_kmem_cache_alloc().
> 
> Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>