On 7/2/15, Konstantin Belousov <[email protected]> wrote: > Author: kib > Date: Thu Jul 2 15:22:13 2015 > New Revision: 285046 > URL: https://svnweb.freebsd.org/changeset/base/285046 > > Log: > Account for the main process stack being one page below the highest > user address when ABI uses shared page. > > Note that the change is no-op for correctness, since shared page does > not fault. The mapping for the shared page is installed at the > address space creation, the page is unmanaged and its pte/pv entry > cannot be reclaimed. > > Submitted by: Oliver Pinter > Review: https://reviews.freebsd.org/D2954 > MFC after: 1 week
Hi Kostik! As same MFC this? Oliver > > Modified: > head/sys/vm/vm_map.c > > Modified: head/sys/vm/vm_map.c > ============================================================================== > --- head/sys/vm/vm_map.c Thu Jul 2 15:17:30 2015 (r285045) > +++ head/sys/vm/vm_map.c Thu Jul 2 15:22:13 2015 (r285046) > @@ -3640,7 +3640,8 @@ Retry: > return (KERN_NO_SPACE); > } > > - is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr) ? 1 : 0; > + is_procstack = (addr >= (vm_offset_t)vm->vm_maxsaddr && > + addr < (vm_offset_t)p->p_sysent->sv_usrstack) ? 1 : 0; > > /* > * If this is the main process stack, see if we're over the stack > _______________________________________________ > [email protected] mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-head > To unsubscribe, send any mail to "[email protected]" > _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "[email protected]"
