From 5eeb2d23df29212f901a36dabf16f93d8bd50814 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Sat, 24 Dec 2016 07:49:18 -0500 Subject: radix tree test suite: Introduce kmalloc_verbose To help track down where memory leaks may be, add the ability to turn on/off printing allocations, frees and delayed frees. Signed-off-by: Matthew Wilcox --- tools/testing/radix-tree/linux/radix-tree.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'tools/testing/radix-tree/linux/radix-tree.h') diff --git a/tools/testing/radix-tree/linux/radix-tree.h b/tools/testing/radix-tree/linux/radix-tree.h index ce694ddd4aea..f4d8532e1bef 100644 --- a/tools/testing/radix-tree/linux/radix-tree.h +++ b/tools/testing/radix-tree/linux/radix-tree.h @@ -1 +1,18 @@ +#ifndef _TEST_RADIX_TREE_H +#define _TEST_RADIX_TREE_H #include "../../../../include/linux/radix-tree.h" + +extern int kmalloc_verbose; + +static inline void trace_call_rcu(struct rcu_head *head, + void (*func)(struct rcu_head *head)) +{ + if (kmalloc_verbose) + printf("Delaying free of %p to slab\n", (char *)head - + offsetof(struct radix_tree_node, rcu_head)); + call_rcu(head, func); +} +#undef call_rcu +#define call_rcu(x, y) trace_call_rcu(x, y) + +#endif /* _TEST_RADIX_TREE_H */ -- cgit v1.2.3