Until we actually support > 32bit physical addresses for 32-bit using
highmem there is no point in enabling ZONE_DMA32. And even if such
support is ever added it probably should be conditional to not burden
low end embedded devices.
Signed-off-by: Christoph Hellwig <h...@lst.de>
---
arch/riscv/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 7817bbe0cfac..c4488ce8c2fa 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -48,7 +48,7 @@ config MMU
config ZONE_DMA32
bool
- default y
+ default y if 64BIT
config PAGE_OFFSET
hex
--
2.17.0
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