| Date | Tue, 13 Nov 2012 16:38:55 +0000 | From | Stefano Stabellini <> | Subject | Re: [PATCH 28/46] x86, mm: Add pointer about Xen mmu requirement for alloc_low_pages |
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On Mon, 12 Nov 2012, Yinghai Lu wrote: > From: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > > Add link to commit 279b706 for more information > > Signed-off-by: Yinghai Lu <yinghai@kernel.org>
ah, here it is, OK then
> arch/x86/mm/init.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c > index f5e0120..a7939ed 100644 > --- a/arch/x86/mm/init.c > +++ b/arch/x86/mm/init.c > @@ -25,6 +25,11 @@ unsigned long __meminitdata pgt_buf_top; > > static unsigned long min_pfn_mapped; > > +/* > + * Pages returned are already directly mapped. > + * > + * Changing that is likely to break Xen, see commit 279b706 for detail info. ^detailed
> + */ > __ref void *alloc_low_pages(unsigned int num) > { > unsigned long pfn; > -- > 1.7.7 >
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