linux-kernel - Re: [Xen-devel] Re: [Revert] Re: [PATCH] mm: sync vmalloc address space page tables in alloc_vm

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Message-Id: <20111108153635.45b3c517.akpm@linux-foundation.org>
Date:	Tue, 8 Nov 2011 15:36:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Cc:	Jeremy Fitzhardinge <jeremy@...p.org>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"namhyung@...il.com" <namhyung@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	David Vrabel <david.vrabel@...rix.com>,
	"rientjes@...gle.com" <rientjes@...gle.com>,
	"paulmck@...ux.vnet.ibm.com" <paulmck@...ux.vnet.ibm.com>
Subject: Re: [Xen-devel] Re: [Revert] Re: [PATCH] mm: sync vmalloc address
 space page tables in alloc_vm_area()

On Tue, 8 Nov 2011 18:31:32 -0500
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:

> > > And Linus picked it up.
> > 
> > I've no idea what's going on here.
> 
> Heh. Sorry for being so confusing. Merge windows are a bit stressful and
> I sometimes end up writing run-on sentences.
> > 
> > > .. snip..
> > > > 
> > > > Also, not sure what you thought of this patch below?
> > > 
> > > Patch included as attachment for easier review..
> > 
> > The patch "xen: map foreign pages for shared rings by updating the PTEs
> > directly" (whcih looks harnless enough) is not present in 3.2-rc1 or linux-next.
> 
> <nods>. That is b/c it does not have your Ack. The patch applies cleanly to
> 3.2-rc1 (as all the other patches that it depends on are now in 3.2-rc1).
> 
> I am humbly asking for you to:
>  a) review the patch (which you did) and get an idea whether you are OK (sounds like you are)

Yup.

>  b) pick it up in your -mm tree.

No added benefit there.

> or alternately:
>  b) give an Ack on the patch so I can put it in my linux-next and push it
>     for 3.2-rc1.

That's OK by me.
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