On Wed, 27 Nov 2013, Greg KH wrote:

Just make the kobject "dynamic" instead of embedded in struct kmem_cache
and all will be fine.  I can't believe this code has been broken for
this long.

The slub code is was designed to use an embedded structure since we
only get the kobj  pointer passed to us from sysfs. If kobj is not
embedded then how can we get from the sysfs object to the kmem_cache
structure from the sysfs callbacks? Sysfs was designed to have embedded
objects as far as I can recall.



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