Messages in this thread | | | Subject | Re: [PATCH 12/14] get_unmapped_area handles MAP_FIXED in /dev/mem (nommu) | From | Benjamin Herrenschmidt <> | Date | Thu, 05 Apr 2007 09:14:12 +1000 |
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On Wed, 2007-04-04 at 11:31 +0100, David Howells wrote: > Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote: > > > + if (flags & MAP_FIXED) > > + if ((addr >> PAGE_SHIFT) != pgoff) > > + return (unsigned long) -EINVAL; > > Again... in NOMMU-mode there is no MAP_FIXED - it's rejected before we get > this far. > > > - return pgoff; > > + return pgoff << PAGE_SHIFT; > > That, however, does appear to be a genuine bugfix.
I'll separate it from the rest of the patches
Ben.
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