Re: [PATCH] SLUB: revert direct page allocator pass through

From: Christoph Lameter
Date: Fri Jan 23 2009 - 11:00:47 EST

On Sat, 24 Jan 2009, Nick Piggin wrote:

> However, I don't know if netperf udp 4K over loopback is totally
> realistic. Maybe real network drivers have different allocation patterns.
> If I were you I wouldn't be too hasty to make big changes based on that
> alone, if it could introduce regression in somewhere more important.

AFAICT it just wastes memory. My idea of a slab allocator is that it is
used for small (less than page sized) allocations. The page allocator
should be able to handle page sized allocations in an effective manner.

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