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SubjectRe: [PATCH] slub: fix slab_pad_check()
On Tue, Sep 08, 2009 at 06:41:14PM -0400, Christoph Lameter wrote:
> On Tue, 8 Sep 2009, Paul E. McKenney wrote:
> > Are you saying that people have already asked you for additional
> > variants of SLAB_DESTROY_BY_RCU? If so, please don't keep them a secret!
> > Otherwise, experience indicates that it is best to wait for the new uses,
> > because they usually aren't quite what one might expect.
> No direct request but I have seen the network developers discover these
> features and their caching benefits over the last year. It is likely that
> they will try to push it into more components of the net subsystem.

So if they push it far enough, they might well decide that they need
a SLAB_DESTROY_BY_RCU_BH, for example. Looks like seven bits left,
so unless I am missing something, should not be a huge problem should
this need arise.

Thanx, Paul

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