Messages in this thread | | | Date | Thu, 29 Mar 2012 22:26:28 +0200 | From | Andrea Arcangeli <> | Subject | Re: [PATCH] pagemap: remove remaining unneeded spin_lock() |
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On Thu, Mar 29, 2012 at 04:39:39AM -0400, Naoya Horiguchi wrote: > commit: 025c5b2451e4 "thp: optimize away unnecessary page table locking" > moves spin_lock() into pmd_trans_huge_lock() in order to avoid locking > unless pmd is for thp. So this spin_lock() is a bug. > > Reported-by: Sasha Levin <levinsasha928@gmail.com> > Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> > Cc: stable@vger.kernel.org
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
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