diff options
Diffstat (limited to 'include/asm-x86/uaccess.h')
| -rw-r--r-- | include/asm-x86/uaccess.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h index 8cb580c0b41..8a1e45fdc98 100644 --- a/include/asm-x86/uaccess.h +++ b/include/asm-x86/uaccess.h @@ -33,6 +33,10 @@ #define segment_eq(a, b) ((a).seg == (b).seg) +#define __addr_ok(addr) \ + ((unsigned long __force)(addr) < \ + (current_thread_info()->addr_limit.seg)) + /* * Test whether a block of memory is a valid user space address. * Returns 0 if the range is valid, nonzero otherwise. |