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SubjectRe: 2.6.10-rc1-mm4 -1 EAGAIN after allocation failure was: Re: Kernel 2.6.9 Multiple Page Allocation Failures
On Wed, Nov 10, 2004 at 01:48:11PM +0100, Stefan Schmidt wrote:
> On Wed, Nov 10, 2004 at 06:58:31AM -0200, Marcelo Tosatti wrote:
> > > > > Can you try the following patch, please? It is diffed against 2.6.10-rc1,
> > > I did. No apparent change with mm4 and vm.min_free_kbytes = 8192. I will try
> > > latest bk next.
>
> > > > I set it back to CONFIG_PACKET_MMAP=y and if the application does not freeze
> > > > for some hours at this load we can blame at least this issue (-1 EAGAIN) on
> > > > that parameter.
> > > Nope, that didn't change anything, still getting EAGAIN, checked two times.
> > Its not clear to me - do you have Nick's watermark patch in?
> Yes i have vm.min_free_kbytes=8192 and Nick's patch in mm4. I'll try
> rc1-bk19 with his restore-atomic-buffer patch in a few minutes.

Stefan,

Please always run your tests with show_free_area() call at the
page allocation failure path.

I fully disagree with Andrew when he says
"I don't think it'd help much - we know what's happening."

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