diff options
Diffstat (limited to 'arch/x86/mm/physaddr.h')
-rw-r--r-- | arch/x86/mm/physaddr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/mm/physaddr.h b/arch/x86/mm/physaddr.h new file mode 100644 index 00000000000..a3cd5a0c97b --- /dev/null +++ b/arch/x86/mm/physaddr.h | |||
@@ -0,0 +1,10 @@ | |||
1 | #include <asm/processor.h> | ||
2 | |||
3 | static inline int phys_addr_valid(resource_size_t addr) | ||
4 | { | ||
5 | #ifdef CONFIG_PHYS_ADDR_T_64BIT | ||
6 | return !(addr >> boot_cpu_data.x86_phys_bits); | ||
7 | #else | ||
8 | return 1; | ||
9 | #endif | ||
10 | } | ||