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Date: Wed, 20 Jan 2016 10:26:25 +0300
From: Cyrill Gorcunov <gorcunov@gmail.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: David Rientjes <rientjes@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        kernel test robot <ying.huang@linux.intel.com>,
        Ebru Akagunduz <ebru.akagunduz@gmail.com>, lkp@01.org,
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        Dan Carpenter <dan.carpenter@oracle.com>,
        Michal Hocko <mhocko@suse.cz>, Johannes Weiner <hannes@cmpxchg.org>,
        Hugh Dickins <hughd@google.com>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
        Mel Gorman <mgorman@suse.de>, Xie XiuQi <xiexiuqi@huawei.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
        Rik van Riel <riel@redhat.com>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [lkp] [mm] 7d2eba0557: BUG: unable to handle kernel NULL pointer
 dereference at (null)
Message-ID: <20160120072625.GB2262@uranus>
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On Wed, Jan 20, 2016 at 12:07:46AM +0100, Vlastimil Babka wrote:
> 
> This has been in mmotm since november:
> http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-kernel-crash-in-khugepaged-thread.patch
> 
> Although your patch does use -1UL instead of -1 (AFAICS the only difference, but
> it's too late here), which Steven Rostedt suggested, so it's probably better.

OK, great then, drop mine.