OK, got it.
Xiumiao Song
From: Cyril Hrubis
Date: 2015-08-05 20:16
To: Xiumiao Song
CC: ltp-list@lists.sourceforge.net; wu...@inspur.com; Michal Hocko
Subject: Re: [LTP] [PATCH] memcg_functinon: testcase_30 function
Hi!
> Testcase_30 function testing mem_cgroup_force_empty_write
> function return -EBUSY,when there is a task in cgroup.
> Namely when setting memory.force_empty,it will be failed.
> However,kernel 3.16 and above do nothing,
> whatever there is a task in cgroup or not.
This has been fixed in git by:
commit 5c3635d26929a00103f70a54365229449f71a217
Author: Michal Hocko <mho...@suse.cz>
Date: Thu May 14 16:24:38 2015 +0200
controllers/memcg: fix force_empty
testcase_29 and testcase_30 are no longer testing anything because
the kernel allows to use force_empty even for memcgs with active
tasks since f61c42a7d911 ("memcg: remove tasks/children test from
mem_cgroup_force_empty()) kernel commit.
If we really want to test this functionality then just expect the
success for regular mmap and expect the failure when the charged
memory is mlocked.
Signed-off-by: Michal Hocko <mho...@suse.cz>
Signed-off-by: Cyril Hrubis <chru...@suse.cz>
--
Cyril Hrubis
chru...@suse.cz
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