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From: Motohiro Kosaki <Motohiro.Kosaki@us.fujitsu.com>
To: Davidlohr Bueso <davidlohr@hp.com>,
        Manfred Spraul <manfred@colorfullife.com>
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Date: Tue, 22 Apr 2014 13:16:11 -0700
Subject: RE: [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot
Thread-Topic: [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot
Thread-Index: Ac9eV1dNSCDEMlrZSliksQ0yynExBAAEE8Tg
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> > shm_tot counts the total number of pages used by shm segments.
> >
> > If SHMALL is ULONG_MAX (or nearly ULONG_MAX), then the number can
> > overflow.  Subsequent calls to shmctl(,SHM_INFO,) would return wrong
> > values for shm_tot.
> >
> > The patch adds a detection for overflows.
> >
> > Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
> 
> Acked-by: Davidlohr Bueso <davidlohr@hp.com>

Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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