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SubjectRe: [PATCH 3.14 102/122] mm + fs: prepare for non-page entries in page cache radix trees
On Wed, Nov 19, 2014 at 12:52:32PM -0800, Greg Kroah-Hartman wrote:
> 3.14-stable review patch. If anyone has any objections, please let me know.
>
> ------------------
>
> From: Johannes Weiner <hannes@cmpxchg.org>
>
> commit 0cd6144aadd2afd19d1aca880153530c52957604 upstream.
>
> shmem mappings already contain exceptional entries where swap slot
> information is remembered.
>
> To be able to store eviction information for regular page cache, prepare
> every site dealing with the radix trees directly to handle entries other
> than pages.

I don't see the rest of the thrash-detection patches in this series.
Without anybody actually planting "entries other than pages" in the
radix trees, why is this needed in -stable?


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