[PATCH V2 1/3] mm: Export split_page()

KY Srinivasan kys at microsoft.com
Thu Mar 28 20:25:20 UTC 2013



> -----Original Message-----
> From: KY Srinivasan
> Sent: Monday, March 25, 2013 9:18 AM
> To: KY Srinivasan; Michal Hocko
> Cc: olaf at aepfle.de; gregkh at linuxfoundation.org; linux-kernel at vger.kernel.org;
> linux-mm at kvack.org; andi at firstfloor.org; yinghan at google.com;
> hannes at cmpxchg.org; apw at canonical.com; devel at linuxdriverproject.org;
> akpm at linux-foundation.org; kamezawa.hiroyuki at gmail.com
> Subject: RE: [PATCH V2 1/3] mm: Export split_page()
> 
> 
> 
> > -----Original Message-----
> > From: devel [mailto:devel-bounces at linuxdriverproject.org] On Behalf Of KY
> > Srinivasan
> > Sent: Tuesday, March 19, 2013 5:40 PM
> > To: Michal Hocko
> > Cc: olaf at aepfle.de; gregkh at linuxfoundation.org; linux-
> kernel at vger.kernel.org;
> > linux-mm at kvack.org; andi at firstfloor.org; yinghan at google.com;
> > hannes at cmpxchg.org; apw at canonical.com; devel at linuxdriverproject.org;
> > akpm at linux-foundation.org; kamezawa.hiroyuki at gmail.com
> > Subject: RE: [PATCH V2 1/3] mm: Export split_page()
> >
> >
> >
> > > -----Original Message-----
> > > From: Michal Hocko [mailto:mhocko at suse.cz]
> > > Sent: Tuesday, March 19, 2013 10:13 AM
> > > To: KY Srinivasan
> > > Cc: gregkh at linuxfoundation.org; linux-kernel at vger.kernel.org;
> > > devel at linuxdriverproject.org; olaf at aepfle.de; apw at canonical.com;
> > > andi at firstfloor.org; akpm at linux-foundation.org; linux-mm at kvack.org;
> > > kamezawa.hiroyuki at gmail.com; hannes at cmpxchg.org;
> yinghan at google.com
> > > Subject: Re: [PATCH V2 1/3] mm: Export split_page()
> > >
> > > On Mon 18-03-13 13:51:36, K. Y. Srinivasan wrote:
> > > > This symbol would be used in the Hyper-V balloon driver to support 2M
> > > > allocations.
> > > >
> > > > In this version of the patch, based on feedback from Michal Hocko
> > > > <mhocko at suse.cz>, I have updated the patch description.
> > >
> > > I guess this part is not necessary ;)
> > >
> > > >
> > > > Signed-off-by: K. Y. Srinivasan <kys at microsoft.com>
> > >
> > > Anyway
> > > Acked-by: Michal Hocko <mhocko at suse.cz>
> >
> > Greg,
> >
> > Would you be taking this patch through your tree?
> >
> > Regards,
> 
> Andrew,
> 
> Could you take this patch through your tree.
> 
> Regards,
> 
> K. Y

Greg,

Now that Andrew has checked in this patch, do you want me to resend the remaining two patches here.

Regards,

K. Y
> >
> > K. Y
> > >
> > > > ---
> > > >  mm/page_alloc.c |    1 +
> > > >  1 files changed, 1 insertions(+), 0 deletions(-)
> > > >
> > > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> > > > index 6cacfee..7e0ead6 100644
> > > > --- a/mm/page_alloc.c
> > > > +++ b/mm/page_alloc.c
> > > > @@ -1404,6 +1404,7 @@ void split_page(struct page *page, unsigned int
> > order)
> > > >  	for (i = 1; i < (1 << order); i++)
> > > >  		set_page_refcounted(page + i);
> > > >  }
> > > > +EXPORT_SYMBOL_GPL(split_page);
> > > >
> > > >  static int __isolate_free_page(struct page *page, unsigned int order)
> > > >  {
> > > > --
> > > > 1.7.4.1
> > > >
> > > > --
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> > >
> > > --
> > > Michal Hocko
> > > SUSE Labs
> > >
> >
> >
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> > devel at linuxdriverproject.org
> > http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
> >





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