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Date: Wed, 20 Aug 2014 11:44:58 +0900 From: Joonsoo Kim <iamjoonsoo.kim@....com> To: Alexey Kardashevskiy <aik@...abs.ru> Cc: linuxppc-dev@...ts.ozlabs.org, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Alexander Graf <agraf@...e.de>, Gleb Natapov <gleb@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>, Michael Ellerman <mpe@...erman.id.au>, kvm-ppc@...r.kernel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org, "Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com> Subject: Re: [PATCH v2] PC, KVM, CMA: Fix regression caused by wrong get_order() use On Thu, Aug 14, 2014 at 03:03:07PM +1000, Alexey Kardashevskiy wrote: > fc95ca7284bc54953165cba76c3228bd2cdb9591 claims that there is no > functional change but this is not true as it calls get_order() (which > takes bytes) where it should have called ilog2() and the kernel stops > on VM_BUG_ON(). > > This replaces get_order() with order_base_2() (round-up version of ilog2). > > Suggested-by: Paul Mackerras <paulus@...ba.org> > Cc: Alexander Graf <agraf@...e.de> > Cc: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com> > Cc: Joonsoo Kim <iamjoonsoo.kim@....com> > Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org> > Signed-off-by: Alexey Kardashevskiy <aik@...abs.ru> Sorry for my fault. :( Acked-by: Joonsoo Kim <iamjoonsoo.kim@....com> Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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