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(parent: d95af61) | patch
cgroup: use tsk->in_iowait instead of delayacct_is_task_waiting_on_io()
authorChunguang Xu <brookxu@tencent.com>
Tue, 13 Apr 2021 01:39:05 +0000 (09:39 +0800)
committerTejun Heo <tj@kernel.org>
Fri, 16 Apr 2021 20:49:37 +0000 (16:49 -0400)
commitffeee417d97f9171bce9f43c22c9f477e4c84f54
treea8f31eabe83346ec7a0d3f6df999dc1fed350d7ctree | snapshot
parentd95af61df072a7d70b311a11c0c24cf7d8ccebd9commit | diff
cgroup: use tsk->in_iowait instead of delayacct_is_task_waiting_on_io()

If delayacct is disabled, then delayacct_is_task_waiting_on_io()
always returns false, which causes the statistical value to be
wrong. Perhaps tsk->in_iowait is better.

Signed-off-by: Chunguang Xu <brookxu@tencent.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/cgroup/cgroup-v1.c diff | blob | history
Domain: System / Kernel;