Re: [PATCH] General purpose zeroed page slab

From: Andi Kleen
Date: Mon Oct 18 2004 - 14:17:05 EST


On Mon, 18 Oct 2004 19:42:10 +0100
Matthew Wilcox <matthew@xxxxxx> wrote:

> I disagree with Andi over the dumbness
> of zeroing the whole page. That makes it cache-hot, which is what you
> want from a page you allocate from slab.

Not for a page table, which tends to be not fully used.
It would be true for a user page, but that doesn't use this mechanism anyways.

-Andi
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