Re: [PATCH] mm: Add additional consistency check

[Christoph Lameter]

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().