Messages in this thread | | | Date | Tue, 1 Aug 2006 22:08:33 +0300 | From | "Pekka Enberg" <> | Subject | Re: Re: [BLOCK] bh: Ensure bh fits within a page |
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Hi,
On 8/1/06, Christoph Lameter <clameter@sgi.com> wrote: > The slab allocator gives no guarantee that a structure is not straddling a > page boundary regardless of debug or not. It may just happen that the > objects are arranged if kmem_cache_cretae() is called with certain > parameters. Another arch with other cacheline alignment and another page > size may arrange the objects differently.
Indeed. You could try to force zero-order page allocations for a cache, but we are probably better of using the page allocator directly or crafting a special purpose allocator for the block layer.
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