From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH v2 17/23] xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree Date: Tue, 7 Aug 2012 14:31:35 -0400 Message-ID: <20120807183135.GT15053@phenom.dumpdata.com> References: <1344263246-28036-17-git-send-email-stefano.stabellini@eu.citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1344263246-28036-17-git-send-email-stefano.stabellini-mvvWK6WmYclDPfheJLI6IQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org Errors-To: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org To: Stefano Stabellini Cc: xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org, linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org, Ian.Campbell-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org, arnd-r2nGTMty4D4@public.gmane.org, catalin.marinas-5wv7dgnIgG8@public.gmane.org, tim-LM2mM/qkH7s@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: xen-devel@lists.xenproject.org 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 > --- > 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