Messages in this thread |  | | Date | Thu, 12 Apr 2012 10:51:10 -0700 (PDT) | | From | Hugh Dickins <> | | Subject | Re: [PATCH] Revert "proc: clear_refs: do not clear reserved pages" |
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On Thu, 12 Apr 2012, Will Deacon wrote:
> This reverts commit 85e72aa5384b1a614563ad63257ded0e91d1a620, which was > a quick fix suitable for -stable until ARM had been moved over to the > gate_vma mechanism: > > https://lkml.org/lkml/2012/1/14/55 > > With commit f9d4861f ("ARM: 7294/1: vectors: use gate_vma for vectors user > mapping"), ARM does now use the gate_vma, so the PageReserved check can > be removed from the proc code. > > Cc: Nicolas Pitre <nico@linaro.org> > Signed-off-by: Will Deacon <will.deacon@arm.com>
Oh, great, I'm glad that worked out: thanks a lot for looking after it, Will, and now cleaning up afterwards.
Acked-by: Hugh Dickins <hughd@google.com>
> --- > fs/proc/task_mmu.c | 3 --- > 1 files changed, 0 insertions(+), 3 deletions(-) > > diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c > index 2b9a760..2d60492 100644 > --- a/fs/proc/task_mmu.c > +++ b/fs/proc/task_mmu.c > @@ -597,9 +597,6 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr, > if (!page) > continue; > > - if (PageReserved(page)) > - continue; > - > /* Clear accessed and referenced bits. */ > ptep_test_and_clear_young(vma, addr, pte); > ClearPageReferenced(page); > -- > 1.7.4.1 > >
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