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[Xen-devel] [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
- To: "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>, "linux@xxxxxxxxxxxxxxx" <linux@xxxxxxxxxxxxxxx>
- From: Peng Fan <peng.fan@xxxxxxx>
- Date: Tue, 9 Jul 2019 08:22:30 +0000
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- Cc: Peng Fan <peng.fan@xxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, dl-linux-imx <linux-imx@xxxxxxx>, "van.freenix@xxxxxxxxx" <van.freenix@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, "linux-arm-kernel@xxxxxxxxxxxxxxxxxxx" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 09 Jul 2019 08:22:50 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVNi9zmpVhxJk2Z0aPUBEkePn3cw==
- Thread-topic: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64
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@xxxxxxx>
---
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;
}
}
--
2.16.4
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