| Date | Tue, 7 Aug 2012 14:31:35 -0400 | From | Konrad Rzeszutek Wilk <> | Subject | Re: [PATCH v2 17/23] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree |
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On Mon, Aug 06, 2012 at 03:27:20PM +0100, Stefano Stabellini wrote: > Only until we get the balloon driver to work.
OK. Acked-by be. > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > --- > arch/arm/xen/enlighten.c | 18 ++++++++++++++++++ > 1 files changed, 18 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c > index 87b17f0..c244583 100644 > --- a/arch/arm/xen/enlighten.c > +++ b/arch/arm/xen/enlighten.c > @@ -140,3 +140,21 @@ static int __init xen_init_events(void) > return 0; > } > postcore_initcall(xen_init_events); > + > +/* XXX: only until balloon is properly working */ > +int alloc_xenballooned_pages(int nr_pages, struct page **pages, bool highmem) > +{ > + *pages = alloc_pages(highmem ? GFP_HIGHUSER : GFP_KERNEL, > + get_order(nr_pages)); > + if (*pages == NULL) > + return -ENOMEM; > + return 0; > +} > +EXPORT_SYMBOL_GPL(alloc_xenballooned_pages); > + > +void free_xenballooned_pages(int nr_pages, struct page **pages) > +{ > + kfree(*pages); > + *pages = NULL; > +} > +EXPORT_SYMBOL_GPL(free_xenballooned_pages); > -- > 1.7.2.5
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