Re: upcoming kerneloops.org item: get_page_from_freelist

[Theodore Tso]

On Thu, Jun 25, 2009 at 11:26:28PM +0200, Andreas Dilger wrote:
> IIRC there was also a good reason for this in the past, related to
> the buffers being submitted to the block device layer, and if they
> were allocated from the slab cache with CONFIG_DEBUG_SLAB or something
> similar enabled the buffer would be misaligned and cause grief.

So what does SLAB/SLUB/SLOB do if we create a slab cache which is a
power of two?  Can one of the allocators still return misaligned
blocks of memory in some circumstances?

						- Ted
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