Messages in this thread | | | Subject | Re: [openib-general] Re: [PATCH][RFC][0/4] InfiniBand userspace verbs implementation | From | Roland Dreier <> | Date | Tue, 26 Apr 2005 08:49:17 -0700 |
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Libor> Do you mean that the set/clear parameters to do_mlock() Libor> are the actual flags which are set/cleared by the caller? Libor> Also, the issue remains that the flags are not reference Libor> counted which is a problem if you are dealing with Libor> overlapping memory region, or even if one region ends and Libor> another begins on the same page. Since the desire is to be Libor> able to pin any memory that a user can malloc this is a Libor> likely scenario.
Good point... we need to figure out how to handle:
a) app registers 0x0000 through 0x17ff b) app registers 0x1800 through 0x2fff c) app unregisters 0x0000 through 0x17ff d) the page at 0x1000 must stay pinned
hmm...
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