Messages in this thread | | | Date | Mon, 3 Mar 2008 21:03:55 +0100 | From | Nick Piggin <> | Subject | Re: [rfc][patch 2/3] slab: introduce SMP alignment |
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On Mon, Mar 03, 2008 at 11:06:55AM -0800, Christoph Lameter wrote: > On Mon, 3 Mar 2008, Nick Piggin wrote: > > > Introduce SLAB_SMP_ALIGN, for allocations where false sharing must be > > minimised on SMP systems. > > Mandatory alignment are specified as a parameter to kmem_cache_create not > as flags.
Not after this patch.
> Ycan specify the alignment as a parameter. i.e. L1_CACHE_BYTES > or cache_line_size().
We don't want either of those, though.
I don't see why this is a problem to do inside slab.
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