Messages in this thread | | | Date | Wed, 8 Oct 2008 10:43:50 +0200 | From | Andi Kleen <> | Subject | Re: [PATCH, v3] shmat: introduce flag SHM_MAP_NOT_FIXED |
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On Wed, Oct 08, 2008 at 09:34:24AM +0100, Alan Cox wrote: > Oh and as a PS you can also (for the hint case) do this: > > shmat giving an address > if error > shmat giving no address > > from user space.
No you can't here because shmat() starts searching from the wrong start address.
The only way would be to search manually in /proc/self/maps and handle the races, but I hope you're not advocating that.
-Andi
-- ak@linux.intel.com
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