[PATCH v2 1/5] arm64: mm: Move zone_dma_bits initialization into zone_sizes_init()
From: Nicolas Saenz Julienne
Date: Sat Oct 10 2020 - 19:07:41 EST
There no use for initializing it earlier in arm64_memblock_init().
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@xxxxxxx>
---
arch/arm64/mm/init.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index f6902a2b4ea6..0eca5865dcb1 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -196,14 +196,16 @@ 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;
+
if (IS_ENABLED(CONFIG_ACPI)) {
extern unsigned int acpi_iort_get_zone_dma_size(void);
zone_dma_bits = min(zone_dma_bits,
acpi_iort_get_zone_dma_size());
- arm64_dma_phys_limit = max_zone_phys(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
@@ -394,11 +396,6 @@ 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