Messages in this thread | | | From | Linus Torvalds <> | Date | Mon, 9 May 2011 15:58:02 -0700 | Subject | Re: [PATCH] Don't mlock guardpage if the stack is growing up |
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On Mon, May 9, 2011 at 3:53 PM, Tony Luck <tony.luck@gmail.com> wrote: > > P.S. while we could start both stacks on the same page and have the grow > away from the start point, ia64 actually starts them out a fair distance apart > and lets them run into each other (if you have enough memory to let them > grow that far, and if ulimit -s doesn't stop them earlier)
Ahh, so you never actually have one single mapping that has both flags set?
In that case, I won't even worry about it.
One thing I did want to verify: did the mlockall() actually change the stack size without that patch? Just to double-check that the patch actually did change semantics visibly.
Linus
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