On Thu, 2 Aug 2007, Nick Piggin wrote:
> > It does in the sense that slabs are allocated following policies. If you
> > want to place individual objects then you need to use kmalloc_node().
>
> Is there no way to place objects via policy? At least kernel stack and page
> tables on x86-64 should be covered by page allocator policy, so the patch
> will still be useful.
Implementing policies on an object level introduces significant allocator
overhead. Tried to do it in SLAB which created a mess.
Add a (slow) kmalloc_policy? Strict Object round robin for interleave
right? It probably needs its own RR counter otherwise it disturbs the per
task page RR.
For interleave kmalloc() does allocate the slabs round robin not the
objects.
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