Re: [PATCH] trace: don't call page_to_pfn() if page is NULL

From: Minchan Kim
Date: Thu Sep 20 2012 - 02:25:44 EST


On Thu, Sep 20, 2012 at 02:04:47PM +0800, Wen Congyang wrote:
> When allocating memory fails, page is NULL. page_to_pfn() will
> cause the kernel panicked if we don't use sparsemem vmemmap.
>
> Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>

Nice catch.
I think it's a candidate of stable.

Reviewed-by: Minchan Kim <minchan@xxxxxxxxxx>

--
Kind regards,
Minchan Kim
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