pci_swiotlb_detect_4gb   19 arch/x86/include/asm/swiotlb.h static inline int pci_swiotlb_detect_4gb(void)
pci_swiotlb_detect_4gb   41 arch/x86/kernel/pci-swiotlb.c int __init pci_swiotlb_detect_4gb(void)