linux-kernel - Re: [PATCH 1/2] tracing: Define kmem_cache_alloc_notrace ifdef CONFIG

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Message-ID: <4B21FD7A.9010006@cs.helsinki.fi>
Date:	Fri, 11 Dec 2009 10:06:18 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Li Zefan <lizf@...fujitsu.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
Subject: Re: [PATCH 1/2] tracing: Define kmem_cache_alloc_notrace ifdef CONFIG_TRACING

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@...fujitsu.com>

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