linux-kernel - Re: [PATCH 2/3] mm/page_isolation: add new tracepoint, test_pages

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Date:	Fri, 13 Nov 2015 14:51:20 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Joonsoo Kim <js1304@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Nazarewicz <mina86@...a86.com>,
	Minchan Kim <minchan@...nel.org>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH 2/3] mm/page_isolation: add new tracepoint,
 test_pages_isolated

On Fri, 13 Nov 2015, Joonsoo Kim wrote:

> cma allocation should be guranteeded to succeed, but, sometimes,
> it could be failed in current implementation. To track down
> the problem, we need to know which page is problematic and
> this new tracepoint will report it.
> 
> Acked-by: Michal Nazarewicz <mina86@...a86.com>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Acked-by: David Rientjes <rientjes@...gle.com>

Thanks for generalizing this!
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