Re: [PATCH 01/11] mm,migration: Take a reference to the anon_vmabefore migrating

[Christoph Lameter]

On Wed, 17 Mar 2010, Mel Gorman wrote:

> This is true, but I don't think such a change belongs in this patch
> series. If this series gets merged, then it would be sensible to investigate
> if refcounting anon_vma is a good idea or would it be a bouncing write-shared
> cacheline mess.

SLAB_DESTROY_BY_RCU is there to avoid the cooling of hot cachelines by
RCU.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/