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

[Christoph Lameter <clameter@sgi.com>]

On Wed, 16 May 2007, Peter Zijlstra wrote:

> > How does all of this interact with
> > 
> > 1. cpusets
> > 
> > 2. dma allocations and highmem?
> > 
> > 3. Containers?
> 
> Much like the normal kmem_cache would do; I'm not changing any of the
> page allocation semantics.

So if we run out of memory on a cpuset then network I/O will still fail?

I do not see any distinction between DMA and regular memory. If we need 
DMA memory to complete the transaction then this wont work?


> But its wanted to try the normal cpu_slab path first to detect that the
> situation has subsided and we can resume normal operation.

Is there some indicator somewhere that indicates that we are in trouble? I 
just see the ranks.

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