linux-kernel - Re: [PATCH] Add nid sanity on alloc_pages

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Message-ID: <29495f1d0707141347g4f09f9c6pc4068f0fe4d2a6ae@mail.gmail.com>
Date:	Sat, 14 Jul 2007 13:47:14 -0700
From:	"Nish Aravamudan" <nish.aravamudan@...il.com>
To:	"Andrew Morton" <akpm@...ux-foundation.org>
Cc:	"Joe Jin" <joe.jin@...cle.com>, bill.irwin@...cle.com,
	linux-kernel@...r.kernel.org, gurudas.pai@...cle.com,
	"Paul Jackson" <pj@....com>
Subject: Re: [PATCH] Add nid sanity on alloc_pages_node

On 7/14/07, Andrew Morton <akpm@...ux-foundation.org> wrote:
> On Sat, 14 Jul 2007 10:40:25 -0700 "Nish Aravamudan" <nish.aravamudan@...il.com> wrote:
>
> > On 7/13/07, Joe Jin <joe.jin@...cle.com> wrote:
> > > >
> > > > Patch gone too ;) I deleted it.  I was hoping that you'd send me the final
> > > > finished product (please).
> > > >
> > >
> > > Ha.., the patch against 2.6.22, at your patch have use htlb_alloc_mask, but I
> > > cannot found it at 2.6.22 kernel tree, I think you must use difference kernel
> > > tree :)
> >
> > I believe this patch will be unnecessary if my "Fix hugetlb pool
> > allocation with empty nodes" patch gets pulled into -mm.
> > alloc_fresh_huge_page() now takes a mempolicy which is created by the
> > two callers, rather than reinventing interleaving itself. I believe
> > this will avoid the oops you saw. I am still waiting on some test
> > results (annoying -mm config changes) before I repost them (and they
> > depend on Christoph's fixes for memoryless nodes).
>
> Could be so, but the patch which I have queued is nice and simple and
> can be backported into 2.6.22.x.

Fair enough. FWIW, just finished testing my patches and have posted
the current incarnation to linux-mm.

Thanks,
Nish
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