[RFC PATCH v2 3/3] misc_cgroup: delete failed logs to avoid log flooding
From: brookxu <hidden>
Date: 2021-07-22 15:21:38
Also in:
cgroups, lkml
Subsystem:
control group (cgroup), the rest · Maintainers:
Tejun Heo, Johannes Weiner, Michal Koutný, Linus Torvalds
From: Chunguang Xu <redacted> Since the upper-level logic will constantly retry when it fails, in high-stress scenarios, a large number of failure logs may affect performance. Therefore, we can replace it with the failcnt counter. Signed-off-by: Chunguang Xu <redacted> --- kernel/cgroup/misc.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/kernel/cgroup/misc.c b/kernel/cgroup/misc.c
index 7c568b619f82..b7de0fafa48a 100644
--- a/kernel/cgroup/misc.c
+++ b/kernel/cgroup/misc.c@@ -159,8 +159,6 @@ int misc_cg_try_charge(enum misc_res_type type, struct misc_cg *cg, if (new_usage > READ_ONCE(res->max) || new_usage > READ_ONCE(misc_res_capacity[type])) { if (!res->failed) { - pr_info("cgroup: charge rejected by the misc controller for %s resource in ", - misc_res_name[type]); pr_cont_cgroup_path(i->css.cgroup); pr_cont("\n"); res->failed = true;
--
2.30.0