Re: [PATCH 2/4] mm, page_alloc: inline the fast path of the zonelist iterator -fix

[Mel Gorman]

On Wed, Apr 27, 2016 at 01:24:43PM +0100, Mel Gorman wrote:
> Vlastimil Babka pointed out that the nodes allowed by a cpuset are not
> reread if the nodemask changes during an allocation. This potentially
> allows an unnecessary page allocation failure. Moving the retry_cpuset
> label is insufficient but rereading the nodemask before retrying addresses
> the problem.
> 
> This is a fix to the mmotm patch
> mm-page_alloc-inline-the-fast-path-of-the-zonelist-iterator.patch .
> 
> Suggested-by: Vlastimil Babka <vbabka@xxxxxxx>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>

And this is wrong :( . I'll think again.

-- 
Mel Gorman
SUSE Labs