Ping again..
+Julien
> Subject: RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
>
> Hi Russell, Stefano
>
> > Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
>
> Any comments?
>
> >
> > arm64 shares some code under arch/arm/xen, including mm.c.
> > However ZONE_DMA is removed by commit
> > ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32").
> > So to ARM64, need use __GFP_DMA32.
> >
> > Signed-off-by: Peng Fan <peng....@nxp.com>
> > ---
> > arch/arm/xen/mm.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index
> > e1d44b903dfc..a95e76d18bf9 100644
> > --- a/arch/arm/xen/mm.c
> > +++ b/arch/arm/xen/mm.c
> > @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned
> int
> > order)
> >
> > for_each_memblock(memory, reg) {
> > if (reg->base < (phys_addr_t)0xffffffff) {
> > - flags |= __GFP_DMA;
> > + flags |= __GFP_DMA | __GFP_DMA32;
> > break;
> > }
> > }
>
> Thanks,
> Peng.
Thanks,
Peng.
>
> > --
> > 2.16.4
