xen_pfn_to_cr3    100 arch/x86/include/asm/xen/interface_32.h #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20))
xen_pfn_to_cr3    133 arch/x86/include/asm/xen/interface_64.h #define xen_pfn_to_cr3(pfn) ((unsigned long)(pfn) << 12)