[PATCH v3 2/8] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init()
From: Nicolas Saenz Julienne <hidden>
Date: 2020-10-14 19:12:32
Also in:
linux-devicetree, linux-iommu, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
zone_dma_bits's initialization happens earlier that it's actually needed, in arm64_memblock_init(). So move it into the more suitable zone_sizes_init(). Signed-off-by: Nicolas Saenz Julienne <redacted> --- arch/arm64/mm/init.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 1d29f2ca81c7..ef0ef0087e2c 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c@@ -196,6 +196,8 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) unsigned long max_zone_pfns[MAX_NR_ZONES] = {0}; #ifdef CONFIG_ZONE_DMA + zone_dma_bits = ARM64_ZONE_DMA_BITS; + arm64_dma_phys_limit = max_zone_phys(zone_dma_bits); max_zone_pfns[ZONE_DMA] = PFN_DOWN(arm64_dma_phys_limit); #endif #ifdef CONFIG_ZONE_DMA32
@@ -386,11 +388,6 @@ void __init arm64_memblock_init(void) early_init_fdt_scan_reserved_mem(); - if (IS_ENABLED(CONFIG_ZONE_DMA)) { - zone_dma_bits = ARM64_ZONE_DMA_BITS; - arm64_dma_phys_limit = max_zone_phys(ARM64_ZONE_DMA_BITS); - } - if (IS_ENABLED(CONFIG_ZONE_DMA32)) arm64_dma32_phys_limit = max_zone_phys(32); else
--
2.28.0
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