Re: [PATCH 4.4 0/2] vmstat backports

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On Mon, Jul 29, 2019 at 05:40:44PM +0200, Daniel Wagner wrote:
> Hi Greg,
> 
> Second attempt on this topic [1]:
> 
> """
> Upstream commmit 0eb77e988032 ("vmstat: make vmstat_updater deferrable
> again and shut down on idle") was back ported in v4.4.178
> (bdf3c006b9a2). For -rt we definitely need the bugfix f01f17d3705b
> ("mm, vmstat: make quiet_vmstat lighter") as well.
> 
> Since the offending patch was back ported to v4.4 stable only, the
> other stable branches don't need an update (offending patch and bug
> fix are already in).
> """
> 
> Though I missed a dependency as Jon noted[2]. The missing patch is
> 587198ba5206 ("vmstat: Remove BUG_ON from vmstat_update"). I've tested
> this on a Tegra K1 one board which exposed the bug. With this should
> be fine.
> 
> While at it, I looked on all relevant changes for
> vmstat_updated(). These two patches are the only relevant changes
> which are missing. It seems almost all changes from mainline have made
> it back to v4.
> 
> Could you please queue the above patches for v4.4.y?
> 
> Thanks,
> Daniel
> 
> [1] https://lore.kernel.org/stable/20190513061237.4915-1-wagi@xxxxxxxxx
> [2] https://lore.kernel.org/stable/f32de22f-c928-2eaa-ee3f-d2b26c184dd4@xxxxxxxxxx
> 
> 
> Christoph Lameter (1):
>   vmstat: Remove BUG_ON from vmstat_update
> 
> Michal Hocko (1):
>   mm, vmstat: make quiet_vmstat lighter
> 
>  mm/vmstat.c | 80 +++++++++++++++++++++++++++++++----------------------
>  1 file changed, 47 insertions(+), 33 deletions(-)

Now queued up.

greg k-h



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