linux-kernel - Re: [PATCH] memblock: Add limit checking to memblock_virt

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Message-ID: <20140129015048.GA14629@konrad-lan.dumpdata.com>
Date:	Tue, 28 Jan 2014 20:50:48 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Yinghai Lu <yinghai@...nel.org>, xen-devel@...ts.xenproject.org,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com
Cc:	Dave Hansen <dave.hansen@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Kevin Hilman <khilman@...aro.org>,
	Olof Johansson <olof@...om.net>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] memblock: Add limit checking to memblock_virt_alloc

On Tue, Jan 28, 2014 at 02:47:57PM -0800, Yinghai Lu wrote:
> On Tue, Jan 28, 2014 at 2:08 PM, Dave Hansen <dave.hansen@...el.com> wrote:
> > On 01/28/2014 02:04 PM, Yinghai Lu wrote:
> >> In original bootmem wrapper for memblock, we have limit checking.
> >>
> >> Add it to memblock_virt_alloc, to address arm and x86 booting crash.
> >>
> >> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> >
> > Do you have a git tree or cumulative set of patches that you'd like us
> > to all test?  I'm happy to boot it on my system, I just want to make
> > sure I've got the same set that you're testing.
> 
> This one should only affect on arm and x86 the 32 bit kernel with more
> then 4G RAM.

Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

It fixes the issue I saw with Xen and 32-bit dom0 blowing up.

> 
> thanks
> 
> Yinghai
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