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Date: Sat, 28 Nov 2015 11:09:33 +0800 From: Zefan Li <lizefan@...wei.com> To: Oleg Nesterov <oleg@...hat.com>, Aleksa Sarai <cyphar@...har.com>, Johannes Weiner <hannes@...xchg.org>, Tejun Heo <tj@...nel.org> CC: <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 0/3] cgroup: fix race between cgroup_post_fork() and cgroup_migrate() On 2015/11/28 2:57, Oleg Nesterov wrote: > On 11/26, Oleg Nesterov wrote: >> >> OK. I do not know what exactly do you mean, perhaps if you fix this problem >> the race between fork and attach goes away and in this case the fix I sent >> is not needed? > > Otherwise please consider this series. > > Slightly tested, seems to work; please review. > Allowing tasks migrating between cgroups while forking is problematic. I'm more than glad to see those changes. Acked-by: Zefan Li <lizefan@...wei.com> > Oleg. > > include/linux/cgroup-defs.h | 12 ++------ > include/linux/cgroup.h | 19 ++++--------- > include/linux/cgroup_subsys.h | 18 ------------ > kernel/cgroup.c | 30 +++++---------------- > kernel/cgroup_freezer.c | 2 +- > kernel/cgroup_pids.c | 58 +++++++--------------------------------- > kernel/fork.c | 16 ++++------- > kernel/sched/core.c | 2 +- > 8 files changed, 34 insertions(+), 123 deletions(-) > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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