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authorH. Peter Anvin <hpa@zytor.com>2009-08-26 17:17:51 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-08-26 17:24:28 -0700
commitb855192c08fcb14adbc5d3a7cab182022d433cca (patch)
tree3a10cafbfbf98cafacf667eb218c71300b351bfa /tools/perf/util/include/linux/kernel.h
parentd886c73cd4cf02a71e1650cbcb6176799d78aac1 (diff)
parent3e0e1e9c5a327d4dba8490d83ef55c0564e6e8a7 (diff)
Merge branch 'x86/urgent' into x86/pat
Reason: Change to is_new_memtype_allowed() in x86/urgent Resolved semantic conflicts in: arch/x86/mm/pat.c arch/x86/mm/ioremap.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'tools/perf/util/include/linux/kernel.h')
-rw-r--r--tools/perf/util/include/linux/kernel.h29
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