diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-08-24 12:25:44 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-08-24 12:25:54 +0200 |
commit | 5f9ece02401116b29eb04396b99ea092acb75dd8 (patch) | |
tree | e10386e2dc63c275646b4eb0bed857da7bf86c6a /tools/perf/util/include/linux/kernel.h | |
parent | 9f51e24ee8b5a1595b6a5ac0c2be278a16488e75 (diff) | |
parent | 422bef879e84104fee6dc68ded0e371dbeb5f88e (diff) |
Merge commit 'v2.6.31-rc7' into x86/cleanups
Merge reason: we were on -rc1 before - go up to -rc7
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 | 29 |
1 files changed, 29 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..a6b87390cb52 --- /dev/null +++ b/tools/perf/util/include/linux/kernel.h @@ -0,0 +1,29 @@ +#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 + +#ifndef max +#define max(x, y) ({ \ + typeof(x) _max1 = (x); \ + typeof(y) _max2 = (y); \ + (void) (&_max1 == &_max2); \ + _max1 > _max2 ? _max1 : _max2; }) +#endif + +#endif |