Re: [PATCH resend] drop_caches: add some documentation and infomessage

[Andrew Morton]

On Tue, 30 Jul 2013 14:55:25 +0200 Michal Hocko <mhocko@xxxxxxx> wrote:

> > > I am OK with that  but can we use a top bit instead. Maybe we never have
> > > other entities to drop in the future but it would be better to have a room for them
> > > just in case.
> > 
> > If we add another flag in the future it can use bit 3?
> 
> What if we get crazy and need more of them?

Then we use bit 4.  Then 5.  Then 6.

I'm really not understanding your point here ;)
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