Date: Fri, 18 Feb 2000 15:04:45 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: alc@cs.rice.edu, current@FreeBSD.ORG Subject: Re: tentitive complete patch for MAP_GUARDED available Message-ID: <200002182304.PAA81713@apollo.backplane.com> References: <200002182141.QAA18866@pcnet1.pcnet.com> <200002182209.OAA81369@apollo.backplane.com>
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::
::Correct me if I'm wrong, but using MAP_STACK|MAP_GUARDED
::would allocate one additional guard page for each threads
::stack.
::
::DanE.
:
: Correct. At the moment MAP_GUARDED is a 'generic' guarding flag
: and makes no assumptions about the areas being adjoining. It doesn't
: cost us anything.
Hmm. The more I think about it, the more I dislike what I just said.
I think I am going to change it to just guard the first N pages and not
guard both the first and the last N pages.
-Matt
Matthew Dillon
<dillon@backplane.com>
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