diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/compiler-gcc4.h | 2 | ||||
| -rw-r--r-- | include/linux/compiler.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h index 450fa597c94..a3aef5d55db 100644 --- a/include/linux/compiler-gcc4.h +++ b/include/linux/compiler-gcc4.h @@ -37,3 +37,5 @@ #define __cold __attribute__((__cold__)) #endif + +#define __compiletime_object_size(obj) __builtin_object_size(obj, 0) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 04fb5135b4e..8e54108688f 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -266,6 +266,10 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) #endif +/* Compile time object size, -1 for unknown */ +#ifndef __compiletime_object_size +# define __compiletime_object_size(obj) -1 +#endif /* * Prevent the compiler from merging or refetching accesses. The compiler * is also forbidden from reordering successive instances of ACCESS_ONCE(), |