https://github.com/torvalds/linux
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Tip revision: 387c31c7e5c9805b0aef8833d1731a5fe7bdea14 authored by Linus Torvalds on 29 December 2010, 01:05:48 UTC
Linux 2.6.37-rc8
Tip revision: 387c31c
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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