Re: [PATCH 0/5] make slab gfp fair

From: Christoph Lameter
Date: Thu May 17 2007 - 13:29:22 EST


On Thu, 17 May 2007, Peter Zijlstra wrote:

> I'm really not seeing why you're making such a fuzz about it; normally
> when you push the system this hard we're failing allocations left right
> and center too. Its just that the block IO path has some mempools which
> allow it to write out some (swap) pages and slowly get back to sanity.

I am weirdly confused by these patches. Among other things you told me
that the performance does not matter since its never (or rarely) being
used (why do it then?). Then we do these strange swizzles with reserve
slabs that may contain an indeterminate amount of objects.

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