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-rw-r--r--arch/arm64/mm/init.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 5f719ba949b..4cd28931dba 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -80,7 +80,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max)
#ifdef CONFIG_ZONE_DMA32
/* 4GB maximum for 32-bit only capable devices */
max_dma32 = min(max, MAX_DMA32_PFN);
- zone_size[ZONE_DMA32] = max_dma32 - min;
+ zone_size[ZONE_DMA32] = max(min, max_dma32) - min;
#endif
zone_size[ZONE_NORMAL] = max - max_dma32;
@@ -301,10 +301,7 @@ void __init mem_init(void)
unsigned long reserved_pages, free_pages;
struct memblock_region *reg;
-#if CONFIG_SWIOTLB
- extern void __init arm64_swiotlb_init(size_t max_size);
- arm64_swiotlb_init(max_pfn << (PAGE_SHIFT - 1));
-#endif
+ arm64_swiotlb_init();
max_mapnr = pfn_to_page(max_pfn + PHYS_PFN_OFFSET) - mem_map;