Messages in this thread | | | Date | Mon, 7 Aug 2006 13:45:20 +0300 | From | "Pekka Enberg" <> | Subject | Re: [RFC/PATCH] revoke/frevoke system calls |
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Hi,
Edgar Toernig writes: > > Urgs, so any user may remove mappings from another process and > > let it crash?
On 7/22/06, Albert Cahalan <acahalan@gmail.com> wrote: > Two good solutions come to mind: > > a. substitute the zero page > b. make the mapping private and touch it as if C-O-W happened
Actually, I think revokeat() and frevoke() should be consistent with mmap which will make a process go SIGBUS if it attempts to write to truncated shared mapping.
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