Commit ec066de1 authored Sep 16, 2019 by Peng Fan Committed by Stefano Stabellini Oct 01, 2019

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
ad67f5a6("arm64: replace ZONE_DMA with ZONE_DMA32").

So add a check if CONFIG_ZONE_DMA32 is enabled use __GFP_DMA32.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>

parent 04ccbdc3

arch/arm/xen/mm.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -28,6 +28,9 @@ unsigned long xen_get_swiotlb_free_pages(unsigned int order)

		for_each_memblock(memory, reg) {
		if (reg->base < (phys_addr_t)0xffffffff) {
		if (IS_ENABLED(CONFIG_ZONE_DMA32))
		flags \|= __GFP_DMA32;
		else
		flags \|= __GFP_DMA;
		break;
		}