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ec6d06ef LA |
1 | #include <linux/bug.h> |
2 | #include <linux/export.h> | |
3 | #include <linux/types.h> | |
4 | #include <linux/mmdebug.h> | |
5 | #include <linux/mm.h> | |
6 | ||
7 | #include <asm/memory.h> | |
8 | ||
9 | phys_addr_t __virt_to_phys(unsigned long x) | |
10 | { | |
11 | WARN(!__is_lm_address(x), | |
12 | "virt_to_phys used for non-linear address: %pK (%pS)\n", | |
13 | (void *)x, | |
14 | (void *)x); | |
15 | ||
16 | return __virt_to_phys_nodebug(x); | |
17 | } | |
18 | EXPORT_SYMBOL(__virt_to_phys); | |
19 | ||
20 | phys_addr_t __phys_addr_symbol(unsigned long x) | |
21 | { | |
22 | /* | |
23 | * This is bounds checking against the kernel image only. | |
24 | * __pa_symbol should only be used on kernel symbol addresses. | |
25 | */ | |
26 | VIRTUAL_BUG_ON(x < (unsigned long) KERNEL_START || | |
27 | x > (unsigned long) KERNEL_END); | |
28 | return __pa_symbol_nodebug(x); | |
29 | } | |
30 | EXPORT_SYMBOL(__phys_addr_symbol); |