Re: [PATCH] cgroup: disable controllers at parse time

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On Wed, May 12, 2021 at 01:19:46PM -0700, Shakeel Butt wrote:
> This patch effectively reverts the commit a3e72739b7a7 ("cgroup: fix
> too early usage of static_branch_disable()"). The commit 6041186a3258
> ("init: initialize jump labels before command line option parsing") has
> moved the jump_label_init() before parse_args() which has made the
> commit a3e72739b7a7 unnecessary. On the other hand there are
> consequences of disabling the controllers later as there are subsystems
> doing the controller checks for different decisions. One such incident
> is reported [1] regarding the memory controller and its impact on memory
> reclaim code.
> 
> [1] https://lore.kernel.org/linux-mm/921e53f3-4b13-aab8-4a9e-e83ff15371e4@xxxxxxx
> 
> Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
> Reported-by: NOMURA JUNICHI(野村 淳一) <junichi.nomura@xxxxxxx>

Applied to cgroup/for-5.13-fixes.

Thanks.

-- 
tejun



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