[dm-devel] [PATCH] slab: introduce the flag SLAB_MINIMIZE_WASTE

[Christopher Lameter]

On Fri, 23 Mar 2018, Mikulas Patocka wrote:

> This test isn't locked against anything, so it may race with concurrent
> allocation. "any_slab_objects" may return false and a new object in the
> slab cache may appear immediatelly after that.

Ok the same reasoning applies to numerous other slab configuration
settings in /sys/kernel/slab.... So we need to disable all of that or come
up with a sane way of synchronization.