Re: [PATCH] mm: document highmem_is_dirtyable sysctl

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On Mon, Jun 26, 2017 at 11:32:00AM +0200, Michal Hocko wrote:
> From: Michal Hocko <mhocko@xxxxxxxx>
> 
> It seems that there are still people using 32b kernels which a lot of
> memory and the IO tend to suck a lot for them by default. Mostly because
> writers are throttled too when the lowmem is used. We have
> highmem_is_dirtyable to work around that issue but it seems we never
> bothered to document it. Let's do it now, finally.
> 
> Cc: Alkis Georgopoulos <alkisg@xxxxxxxxx>
> Signed-off-by: Michal Hocko <mhocko@xxxxxxxx>

Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>

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