Messages in this thread | | | Date | Thu, 1 Apr 2004 18:21:27 -0800 | From | Chris Wright <> | Subject | Re: disable-cap-mlock |
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* Andrea Arcangeli (andrea@suse.de) wrote: > that has nothing to do with freeing the page, that's just releasing 1 > refcount, because you dropped the pte mapping, the page is still there > healthy in the pagecache ready for somebody else to shmat. If you were > right then a shmdt+shmat would corrupt the SGA.
Ah, yes I see what you are saying. This is the same issue with normal pages and SHM_LOCK that I mentioned earlier, I believe. I don't see the best solution, because once you detach w/out any destroy, there could be nobody to assign the accounting to. Do you agree?
thanks, -chris -- Linux Security Modules http://lsm.immunix.org http://lsm.bkbits.net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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