Messages in this thread Patch in this message | | | From | Zong Li <> | Subject | [PATCH 1/5] RISC-V: Add conditional macro for zone of DMA32 | Date | Thu, 21 Jun 2018 09:41:41 +0800 |
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The DMA32 is for 64-bit usage.
Signed-off-by: Zong Li <zong@andestech.com> --- arch/riscv/mm/init.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c index c77df8142be2..91a5852e28fd 100644 --- a/arch/riscv/mm/init.c +++ b/arch/riscv/mm/init.c @@ -28,8 +28,11 @@ static void __init zone_sizes_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES] = { 0, }; +#ifdef CONFIG_ZONE_DMA32 max_zone_pfns[ZONE_DMA32] = PFN_DOWN(min(4UL * SZ_1G, max_low_pfn)); +#else max_zone_pfns[ZONE_NORMAL] = max_low_pfn; +#endif free_area_init_nodes(max_zone_pfns); } -- 2.16.1
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