linux-kernel - Re: [PATCH] tracing: Define kmem_trace_alloc

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Message-ID: <4B21BEAF.8090402@cn.fujitsu.com>
Date:	Fri, 11 Dec 2009 11:38:23 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Pekka Enberg <penberg@...helsinki.fi>,
	Christoph Lameter <cl@...ux-foundation.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
Subject: Re: [PATCH] tracing: Define kmem_trace_alloc_notrace unconditionally

Li Zefan wrote:
> Always define kmem_trace_alloc_{,node}_notrace(), otherwise
> perf-kmem will show wrong stats ifndef CONFIG_KMEMTRACE,
> 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 |   24 ++----------------------
>  include/linux/slub_def.h |   27 +++------------------------
>  mm/slab.c                |    4 ----
>  mm/slub.c                |    4 ----
>  4 files changed, 5 insertions(+), 54 deletions(-)
> 

Sorry, please ignore this patch. I'll send a v2 soon..

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