Re: [PATCH] mm,numa,THP: initialize hstate for THP page size

[Andrew Morton]

On Wed, 18 Dec 2013 17:03:14 -0500 Rik van Riel <riel@xxxxxxxxxx> wrote:

> When hugetlbfs is started with a non-default page size, it is
> possible that no hstate is initialized for the page sized used
> by transparent huge pages.
> 
> This causes copy_huge_page to crash on a null pointer. Make
> sure we always have an hpage initialized for the page sized
> used by THP.
> 

A bit more context is needed here please - so that people can decide
which kernel version(s) need patching.

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