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Date:   Tue, 4 Apr 2017 10:07:23 -0500 (CDT)
From:   Christoph Lameter <>
To:     Michal Hocko <>
cc:     Kees Cook <>,
        Andrew Morton <>,
        Pekka Enberg <>,
        David Rientjes <>,
        Joonsoo Kim <>,,
Subject: Re: [PATCH] mm: Add additional consistency check

On Tue, 4 Apr 2017, Michal Hocko wrote:

> NAK without a proper changelog. Seriously, we do not blindly apply
> changes from other projects without a deep understanding of all
> consequences.

Functionalitywise this is trivial. A page must be a slab page in order to
be able to determine the slab cache of an object. Its definitely not ok if
the page is not a slab page.

The main issue that may exist here is the adding of overhead to a critical
code path like kfree().

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