Messages in this thread | | | Date | Sat, 21 Aug 2010 18:08:39 +0200 | From | Sam Ravnborg <> | Subject | Re: [RFC] mlock/stack guard interaction fixup |
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> > > Out of interest, why is there no guard page for the VM_GROWSUP stack > > case? Is it just that the memory layout on PA-RISC makes the stack grows > > into the heap scenario impossible? > > No, it's just that I can't find it in myself to care about PA-RISC, so > I never wrote the code. I don't think anything else has a grows-up > stack. And even if I were to write the code, I couldn't even test it. > > It should be reasonably easy to do the VM_GROWSUP case too, but > somebody with a PA-RISC would need to do it.
Tony Luck already provided a VM_GROWSUP version.
See: http://lkml.org/lkml/2010/8/20/325
[It is signed off by Tony Luc - but I guess they know each other ;-) ]
Sam
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