linux-kernel - Re: [PATCH 5/5] mm, page_owner: dump page owner info from dump

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Message-ID: <20151104204112.GA7614@node.shutemov.name>
Date:	Wed, 4 Nov 2015 22:41:12 +0200
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Joonsoo Kim <iamjoonsoo.kim@....com>,
	Minchan Kim <minchan@...nel.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Mel Gorman <mgorman@...e.de>
Subject: Re: [PATCH 5/5] mm, page_owner: dump page owner info from dump_page()

On Wed, Nov 04, 2015 at 03:12:39PM -0500, Sasha Levin wrote:
> On 11/04/2015 02:41 PM, Kirill A. Shutemov wrote:
> >> +	dump_page_owner(page);
> > I tend to put dump_page() into random places during debug. Dumping page
> > owner for all dump_page() cases can be too verbose.
> > 
> > Can we introduce dump_page_verbose() which would do usual dump_page() plus
> > dump_page_owner()?
> > 
> 
> Is there any existing piece of code that would use dump_page() rather than
> dump_page_verbose()?

Good point. I think not.

So we can leave dump_page() with dump_page_owner() stuff and have
__dump_page() or something as lighter version.

-- 
 Kirill A. Shutemov
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