Messages in this thread | | | Subject | Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation | From | Arjan van de Ven <> | Date | Mon, 18 Apr 2005 21:40:40 +0200 |
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On Mon, 2005-04-18 at 11:25 -0500, Timur Tabi wrote: > Arjan van de Ven wrote: > > > this is a myth; linux is free to move the page about in physical memory > > even if it's mlock()ed!! > > Then Linux has a very odd definition of the word "locked". > > > And even then, the user can munlock the memory from another thread etc > > etc. Not a good idea. > > Well, that's okay, because then the app is doing something stupid, so we don't worry about > that.
you should since that physical page can be reused, say by a root process, and you'd be majorly screwed
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