Re: [PATCH] add some drop_caches documentation and info messsge

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On 10/12/2012 05:57 AM, Michal Hocko wrote:
> I would like to resurrect the following Dave's patch. The last time it
> has been posted was here https://lkml.org/lkml/2010/9/16/250 and there
> didn't seem to be any strong opposition. 
> Kosaki was worried about possible excessive logging when somebody drops
> caches too often (but then he claimed he didn't have a strong opinion
> on that) but I would say opposite. If somebody does that then I would
> really like to know that from the log when supporting a system because
> it almost for sure means that there is something fishy going on. It is
> also worth mentioning that only root can write drop caches so this is
> not an flooding attack vector.

Just read through the patch again.  Still looks great to me.

Thanks for bringing it up again, Michal!

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