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

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Date:	Fri, 11 Dec 2009 08:56:04 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>,
	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 <lizf@...fujitsu.com> wrote:

> 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>
> ---
>  include/linux/slab_def.h |    4 ++--
>  include/linux/slub_def.h |    4 ++--
>  mm/slab.c                |    6 +++---
>  mm/slub.c                |    4 ++--
>  4 files changed, 9 insertions(+), 9 deletions(-)

Pekka, can i add your Reviewed-by or Acked-by to this v2 version of the 
patch?

Thanks,

	Ingo
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