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Searched refs:arm64_dma_phys_limit (Results 1 – 3 of 3) sorted by relevance

/linux-6.12.1/arch/arm64/mm/
Dinit.c67 phys_addr_t __ro_after_init arm64_dma_phys_limit; variable
143 arm64_dma_phys_limit = max_zone_phys(zone_dma_limit); in zone_sizes_init()
144 max_zone_pfns[ZONE_DMA] = PFN_DOWN(arm64_dma_phys_limit); in zone_sizes_init()
148 if (!arm64_dma_phys_limit) in zone_sizes_init()
149 arm64_dma_phys_limit = dma32_phys_limit; in zone_sizes_init()
151 if (!arm64_dma_phys_limit) in zone_sizes_init()
152 arm64_dma_phys_limit = PHYS_MASK + 1; in zone_sizes_init()
351 dma_contiguous_reserve(arm64_dma_phys_limit); in bootmem_init()
369 bool swiotlb = max_pfn > PFN_DOWN(arm64_dma_phys_limit); in mem_init()
/linux-6.12.1/arch/arm64/include/asm/
Dcrash_reserve.h8 #define CRASH_ADDR_LOW_MAX arm64_dma_phys_limit
Dprocessor.h103 extern phys_addr_t arm64_dma_phys_limit;
104 #define ARCH_LOW_ADDRESS_LIMIT (arm64_dma_phys_limit - 1)