linux-kernel - Re: [PATCH] kmemtrace:fix undeclared 'PAGE

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Date:	Sun, 14 Jun 2009 08:59:15 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Wu Zhangjin <wuzhangjin@...il.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org,
	Linux-MIPS <linux-mips@...ux-mips.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Wu Zhangjin <wuzj@...ote.com>
Subject: Re: [PATCH] kmemtrace:fix undeclared 'PAGE_SIZE' via asm/page.h

On Sun, Jun 14, 2009 at 8:54 AM, Wu Zhangjin<wuzhangjin@...il.com> wrote:
> From: Wu Zhangjin <wuzj@...ote.com>
>
> when compiling linux-mips with kmemtrace enabled, this error will be
> there:
>
> include/linux/trace_seq.h:12: error: 'PAGE_SIZE' undeclared here (not in
>                                a function)
>
> I checked the source code and found trace_seq.h used PAGE_SIZE but not
> include the relative header file, so, fix it via adding the header file
> <asm/page.h>
>
> this error will not be triggered in linux-x86 for there is a
> <asm/page.h> header file included in a certain header file. but which
> not means <asm/page.h> is not needed in trace_seq.h
>
> Signed-off-by: Wu Zhangjin <wuzj@...ote.com>

This looks like a generic tracing issue, not a kmemtrace problem so
the subject line needs fixing. But the change looks good to me:

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