Add max_t, min_t and clamp functions, together with _RET_IP_
definition, so they can be used in testing.
Signed-off-by: Karolina Drobnik <karolinadrobnik@xxxxxxxxx>
---
tools/include/linux/kernel.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h
index 9701e8307db0..4b0673bf52c2 100644
--- a/tools/include/linux/kernel.h
+++ b/tools/include/linux/kernel.h
@@ -15,6 +15,8 @@
#define UINT_MAX (~0U)
#endif
+#define _RET_IP_ ((unsigned long)__builtin_return_address(0))
+
#define PERF_ALIGN(x, a) __PERF_ALIGN_MASK(x, (typeof(x))(a)-1)
#define __PERF_ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
@@ -51,6 +53,10 @@
_min1 < _min2 ? _min1 : _min2; })
#endif
+#define max_t(type, x, y) max((type)x, (type)y)
+#define min_t(type, x, y) min((type)x, (type)y)
+#define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
+
#ifndef BUG_ON
#ifdef NDEBUG
#define BUG_ON(cond) do { if (cond) {} } while (0)
--
2.30.2
