Messages in this thread | | | Date | Mon, 15 Oct 2012 07:05:48 -0700 | From | Dave Hansen <> | Subject | 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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