linux-kernel - Re: [PATCH v6 3/5] vmcore: Introduce remap_oldmem_pfn

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Message-ID: <20130703141635.GC1460@redhat.com>
Date:	Wed, 3 Jul 2013 10:16:35 -0400
From:	Vivek Goyal <vgoyal@...hat.com>
To:	Michael Holzheu <holzheu@...ux.vnet.ibm.com>
Cc:	HATAYAMA Daisuke <d.hatayama@...fujitsu.com>,
	Jan Willeke <willeke@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org
Subject: Re: [PATCH v6 3/5] vmcore: Introduce remap_oldmem_pfn_range()

On Wed, Jul 03, 2013 at 03:59:33PM +0200, Michael Holzheu wrote:
> On Tue, 2 Jul 2013 11:42:14 -0400
> Vivek Goyal <vgoyal@...hat.com> wrote:
> 
> > On Mon, Jul 01, 2013 at 09:32:37PM +0200, Michael Holzheu wrote:
> 
> [snip]
> 
> > > This handler works as follows:
> > > 
> > > * Get already available or new page from page cache (find_or_create_page)
> > > * Check if /proc/vmcore page is filled with data (PageUptodate)
> > > * If yes:
> > >   Return that page
> > > * If no:
> > >   Fill page using __vmcore_read(), set PageUptodate, and return page
> > > 
> > > Signed-off-by: Michael Holzheu <holzheu@...ux.vnet.ibm.com>
> > 
> > In general vmcore related changes look fine to me. I am not very familiar
> > with the logic of finding pages in page cache and using page uptodate
> > flag.
> > 
> > Hatayama, can you please review it.
> > 
> > Acked-by: Vivek Goyal <vgoyal@...hat.com>
> 
> Hello Vivek,
> 
> If Hatayama accepts the patch, should we then send the patch series to
> Andrew Morton?

Yes, once hatayama reviews the patch, please send it to Anderew Morton for
for inclusion of paches.

Thanks
Vivek
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