Re: 2.6.26: x86/kernel/pci_dma.c: gfp |= __GFP_NORETRY ?

From: Thomas Gleixner
Date: Thu May 22 2008 - 15:58:45 EST

On Thu, 22 May 2008, Andi Kleen wrote:
> On Wed, May 21, 2008 at 09:49:27AM -0300, Glauber Costa wrote:
> > probably andi has a better idea on why it was added, since it used to
> > live in his tree?
> d_a_c() tries a couple of zones, and running the oom killer for each
> is inconvenient. Especially for the 16MB DMA zone which is unlikely
> to be cleared by the OOM killer anyways because normal user applications
> don't put pages in there. There was a real report with some problems
> in this area.

Can you give some pointers please ?


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