Introduce two more test cases which are specific for RCU
freeing of vmalloc pointer. One test case is for object
that has rcu_head inside and second one is for headless
testing.
Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>
---
lib/test_vmalloc.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/lib/test_vmalloc.c b/lib/test_vmalloc.c
index 8bbefcaddfe8..1734ba7fc400 100644
--- a/lib/test_vmalloc.c
+++ b/lib/test_vmalloc.c
@@ -15,6 +15,7 @@
#include <linux/delay.h>
#include <linux/rwsem.h>
#include <linux/mm.h>
+#include <linux/rcupdate.h>
#define __param(type, name, init, msg) \
static type name = init; \
@@ -43,6 +44,8 @@ __param(int, run_test_mask, INT_MAX,
"\t\tid: 32, name: random_size_align_alloc_test\n"
"\t\tid: 64, name: align_shift_alloc_test\n"
"\t\tid: 128, name: pcpu_alloc_test\n"
+ "\t\tid: 256, name: kvfree_rcu_with_head_test\n"
+ "\t\tid: 512, name: kvfree_rcu_head_less_test\n"
/* Add a new test case description here. */
);
@@ -328,6 +331,49 @@ pcpu_alloc_test(void)
return rv;
}
+struct test_kvfree_rcu {
+ struct rcu_head rcu;
+ unsigned char array[100];
+};
+
+static int
+kvfree_rcu_with_head_test(void)
+{
+ struct test_kvfree_rcu *p;
+ int i;
+
+ for (i = 0; i < test_loop_count; i++) {
+ p = vmalloc(1 * PAGE_SIZE);
+
+ if (!p)
+ return -1;
+
+ p->array[0] = 'a';
+ kvfree_rcu(p, rcu);
+ }
+
+ return 0;
+}
+
+static int
+kvfree_rcu_head_less_test(void)
+{
+ struct test_kvfree_rcu *p;
+ int i;
+
+ for (i = 0; i < test_loop_count; i++) {
+ p = vmalloc(1 * PAGE_SIZE);
+
+ if (!p)
+ return -1;
+
+ p->array[0] = 'a';
+ kvfree_rcu(p);
+ }
+
+ return 0;
+}
+
struct test_case_desc {
const char *test_name;
int (*test_func)(void);
@@ -342,6 +388,8 @@ static struct test_case_desc test_case_array[] = {
{ "random_size_align_alloc_test", random_size_align_alloc_test },
{ "align_shift_alloc_test", align_shift_alloc_test },
{ "pcpu_alloc_test", pcpu_alloc_test },
+ { "kvfree_rcu_with_head_test", kvfree_rcu_with_head_test },
+ { "kvfree_rcu_head_less_test", kvfree_rcu_head_less_test },
/* Add a new test case here. */
};
--
2.20.1
