| Date | Tue, 24 Sep 2013 21:10:47 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH tip/core/rcu 01/11] mm: Place preemption point in do_mlockall() loop |
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On Tue, 24 Sep 2013 18:29:11 -0700 "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> wrote:
> --- a/mm/mlock.c > +++ b/mm/mlock.c > @@ -736,6 +736,7 @@ static int do_mlockall(int flags) > > /* Ignore errors */ > mlock_fixup(vma, &prev, vma->vm_start, vma->vm_end, newflags); > + cond_resched(); > } > out: > return 0;
Might need one in munlock_vma_pages_range() as well - it's a matter of finding the right test case. This will be neverending :(
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