On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote:
ZONE_[DMA|DMA32] configs have duplicate definitions on platforms that subscribe them. Instead, just make them generic options which can be selected on applicable platforms. Also only x86/arm64 architectures could enable both ZONE_DMA and ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone configurable and visible on the two architectures. Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Catalin Marinas <catalin.marinas@xxxxxxx> Cc: Will Deacon <will@xxxxxxxxxx> Cc: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx> Cc: Richard Henderson <rth@xxxxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxx> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
For arm64: Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>
