diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-07-18 12:19:57 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-07-18 12:20:01 +0200 |
| commit | 45bceffc3013bda7d2ebc7802e9b153b674e2d44 (patch) | |
| tree | 222d7dd8fd300925cbf12cdc0fba5bee2528997e /tools/perf/util/include/linux/kernel.h | |
| parent | 6f2f3cf00ee32f75ba007a46bab88a54d68a5deb (diff) | |
| parent | 78af08d90b8f745044b1274430bc4bc6b2b27aca (diff) | |
Merge branch 'linus' into tracing/core
Merge reason: tracing/core was on an older, pre-rc1 base.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/include/linux/kernel.h')
| -rw-r--r-- | tools/perf/util/include/linux/kernel.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/util/include/linux/kernel.h b/tools/perf/util/include/linux/kernel.h new file mode 100644 index 000000000000..99c1b3d1edd9 --- /dev/null +++ b/tools/perf/util/include/linux/kernel.h @@ -0,0 +1,21 @@ +#ifndef PERF_LINUX_KERNEL_H_ +#define PERF_LINUX_KERNEL_H_ + +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#endif + +#ifndef container_of +/** + * container_of - cast a member of a structure out to the containing structure + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + * + */ +#define container_of(ptr, type, member) ({ \ + const typeof(((type *)0)->member) * __mptr = (ptr); \ + (type *)((char *)__mptr - offsetof(type, member)); }) +#endif + +#endif |