On 8/5/05, Christoph Lameter <[email protected]> wrote:
> Hmm. If we had kcmalloc then we may be able to add a zero bit to the slab
> allocator. If we would obtain zeroed pages for the slab then we may skip
> zeroing of individual entries. However, the cache warming effect of the
> current zeroing is then not occurring. Not sure if this would make sense
> but this is a possible optimization if we had kcmalloc.
Well there is kzalloc and kcalloc. I just thought a safe non-zeroing
version would be nice.
You could warm the cache with prefetch, but you'd need to profile the
diferent cases to see what is worth doing and what isn't.
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