https://github.com/torvalds/linux
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Tip revision: 74bf8efb5fa6e958d2d7c7917b8bb672085ec0c6 authored by Linus Torvalds on 28 December 2015, 02:17:37 UTC
Linux 4.4-rc7
Tip revision: 74bf8ef
physaddr.h
#include <asm/processor.h>

static inline int phys_addr_valid(resource_size_t addr)
{
#ifdef CONFIG_PHYS_ADDR_T_64BIT
	return !(addr >> boot_cpu_data.x86_phys_bits);
#else
	return 1;
#endif
}
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