| Date | Fri, 1 Nov 2013 09:46:05 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/4] mm/rmap: convert anon_vma rwsem to rwlock_t |
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On Fri, Nov 01, 2013 at 03:54:25PM +0800, Yuanhan Liu wrote: > --- a/mm/mmap.c > +++ b/mm/mmap.c > @@ -2955,15 +2955,15 @@ static void vm_lock_anon_vma(struct mm_struct *mm, struct anon_vma *anon_vma) > * The LSB of head.next can't change from under us > * because we hold the mm_all_locks_mutex. > */ > - down_write_nest_lock(&anon_vma->rwsem, &mm->mmap_sem); > + write_lock(&anon_vma->rwlock);
You lost:
http://marc.info/?l=linux-kernel&m=138054148402109
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