Evgeniy Polyakov <[email protected]> wrote:
>
> On Fri, Mar 10, 2006 at 06:29:46PM -0800, Leech, Christopher ([email protected]) wrote:
> > From: Chris Leech [mailto:[email protected]]
> > Sent: Friday, March 10, 2006 6:29 PM
> > To:
> > Subject: [PATCH 2/8] [I/OAT] Driver for the Intel(R) I/OAT DMA engine
> >
> >
> > Adds a new ioatdma driver
>
> enumerate_dma_channels() is still broken, if it can not fail add NOFAIL
> gfp flag.
The __GFP_NOFAIL flag is there to mark lame-and-buggy-code which doesn't
know how to handle ENOMEM. I went through the kernel, found all the
retry-until-it-works loops and consolidated their behaviour in the page
allocator instead.
Really we should fix them all up. Adding new users of __GFP_NOFAIL
would not be good.
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