Re: [PATCH 07/21] mm: Use refcounts for page_lock_anon_vma()

[Peter Zijlstra]

On Mon, 2010-11-29 at 11:35 +0900, KAMEZAWA Hiroyuki wrote:
> On Fri, 26 Nov 2010 15:38:50 +0100
> Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> wrote:
> 
> > Convert page_lock_anon_vma() over to use refcounts. This is
> > done for each of convertion of anon_vma from spinlock to mutex.
> > 
> > Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
> 
> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
> 
> Does this patch affect only page_referenced() and try_to_unmap() ?

git grep page_lock_anon_vma reveals that
mm/memory-failure.c:collect_procs_anon() is also affected.
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