Messages in this thread | | | From | Peng Fan <> | Subject | RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 | Date | Tue, 23 Jul 2019 03:21:14 +0000 |
| |
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.fan@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.
> -- > 2.16.4
| |