arch/loongarch/mm/init.c

66

max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;

arch/mips/include/asm/dma.h

95

#ifndef MAX_DMA32_PFN

arch/mips/loongson64/numa.c

159

max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;

arch/mips/mm/init.c

403

max_zone_pfns[ZONE_DMA32] = MAX_DMA32_PFN;

arch/x86/kernel/amd_gart_64.c

734

(!force_iommu && max_pfn <= MAX_DMA32_PFN) ||

arch/x86/kernel/amd_gart_64.c

737

if (max_pfn > MAX_DMA32_PFN) {

arch/x86/kernel/aperture_64.c

461

max_pfn > MAX_DMA32_PFN &&

arch/x86/kernel/aperture_64.c

504

} else if ((!no_iommu && max_pfn > MAX_DMA32_PFN) ||

arch/x86/kernel/early-quirks.c

61

if ((max_pfn > MAX_DMA32_PFN || force_iommu) &&

arch/x86/kernel/pci-dma.c

47

if (!no_iommu && max_possible_pfn > MAX_DMA32_PFN)

arch/x86/mm/init.c

1005

max_zone_pfns[ZONE_DMA32] = min(MAX_DMA32_PFN, max_low_pfn);

arch/x86/mm/numa.c

462

return PFN_PHYS(MAX_DMA32_PFN);