diff mbox series

[v3,1/5] selftests: memcg: Fix compilation

Message ID 20220524162955.8635-2-mkoutny@suse.com (mailing list archive)
State Accepted
Commit ff3b72a5d614702ec119f107bddd99cdad622b44
Headers show
Series memcontrol selftests fixups | expand

Commit Message

Michal Koutný May 24, 2022, 4:29 p.m. UTC 
This fixes mis-applied changes from commit 72b1e03aa725 ("cgroup:
account for memory_localevents in test_memcg_oom_group_leaf_events()").

Fixes: 72b1e03aa725 ("cgroup: account for memory_localevents in test_memcg_oom_group_leaf_events()")
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: David Vernet <void@manifault.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
---
 .../selftests/cgroup/test_memcontrol.c        | 25 +++++++++++--------
 1 file changed, 14 insertions(+), 11 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index 6ab94317c87b..c012db9d07d6 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -1241,7 +1241,16 @@  static int test_memcg_oom_group_leaf_events(const char *root)
 	if (cg_read_key_long(child, "memory.events", "oom_kill ") <= 0)
 		goto cleanup;
 
-	if (cg_read_key_long(parent, "memory.events", "oom_kill ") <= 0)
+	parent_oom_events = cg_read_key_long(
+			parent, "memory.events", "oom_kill ");
+	/*
+	 * If memory_localevents is not enabled (the default), the parent should
+	 * count OOM events in its children groups. Otherwise, it should not
+	 * have observed any events.
+	 */
+	if (has_localevents && parent_oom_events != 0)
+		goto cleanup;
+	else if (!has_localevents && parent_oom_events <= 0)
 		goto cleanup;
 
 	ret = KSFT_PASS;
@@ -1349,20 +1358,14 @@  static int test_memcg_oom_group_score_events(const char *root)
 	if (!cg_run(memcg, alloc_anon, (void *)MB(100)))
 		goto cleanup;
 
-	parent_oom_events = cg_read_key_long(
-			parent, "memory.events", "oom_kill ");
-	/*
-	 * If memory_localevents is not enabled (the default), the parent should
-	 * count OOM events in its children groups. Otherwise, it should not
-	 * have observed any events.
-	 */
-	if ((has_localevents && parent_oom_events == 0) ||
-	     parent_oom_events > 0)
-		ret = KSFT_PASS;
+	if (cg_read_key_long(memcg, "memory.events", "oom_kill ") != 3)
+		goto cleanup;
 
 	if (kill(safe_pid, SIGKILL))
 		goto cleanup;
 
+	ret = KSFT_PASS;
+
 cleanup:
 	if (memcg)
 		cg_destroy(memcg);