diff options
| author | Peng Fan <peng.fan@nxp.com> | 2019-09-16 09:51:33 +0000 |
|---|---|---|
| committer | Stefano Stabellini <sstabellini@kernel.org> | 2019-10-01 18:50:07 -0700 |
| commit | ec066de1a567169c4737a5933218c329cedf52bd (patch) | |
| tree | b57ef9e45187890897c15885e13e144abe0f3233 /arch/arm | |
| parent | 04ccbdc390b14d8fdc4612abbf023ff49cdc5cd8 (diff) | |
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 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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/xen/mm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index d33b77e9add3..018093fef80a 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -28,7 +28,10 @@ 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; + if (IS_ENABLED(CONFIG_ZONE_DMA32)) + flags |= __GFP_DMA32; + else + flags |= __GFP_DMA; break; } } |