Re: [PATCH 1/5 V3] cgroup: remove redundate get/put of old css_set from migrate

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Hello,

s/redundate/redundant/ in $SUBJ, right?

On Tue, Dec 20, 2011 at 03:14:29PM -0800, Mandeep Singh Baines wrote:
> Changes in V3:
> * Fixed to put error in retval (thanks Frederic Weisbecker)
>   * https://lkml.org/lkml/2011/12/20/255
> Changes in V2:
> * Updated commit message as per Tejun's feedback:
>   * https://lkml.org/lkml/2011/12/19/289
> 
> -- >8 -- (snip)

Either put this as part of patch description or if you don't want it
to be part of commit message, put it between --- and diffstat.
Unfortunately, no tool understands "-- >8 --".

> We can now assume that the css_set reference held by the task
> will not go away for an exiting task. PF_EXITING state can be
> trusted throughout migration by checking it after locking
> threadgroup.
> 
> While at it, renamed css_set_check_fetched to css_set_fetched.
> !css_set_fetched() seems to read better than
> !css_set_check_fetched().

I don't feel too hot about the renaming.  Can you please drop it for
now?

> Signed-off-by: Mandeep Singh Baines <msb@xxxxxxxxxxxx>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Li Zefan <lizf@xxxxxxxxxxxxxx>
> Cc: containers@xxxxxxxxxxxxxxxxxxxxxxxxxx
> Cc: cgroups@xxxxxxxxxxxxxxx
> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Paul Menage <paul@xxxxxxxxxxxxxx>

Other than that, looks good to me.  I'll commit this once Li acks it.

Thanks.

-- 
tejun
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