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From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: Victor Aoqui <victora@linux.vnet.ibm.com>, linux-kernel@vger.kernel.org,
 linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au,
 khandual@linux.vnet.ibm.com
Cc: victora@br.ibm.com, victora@linux.vnet.ibm.com, mauricfo@linux.vnet.ibm.com
Subject: Re: [PATCH v3] powerpc/mm: Implemented default_hugepagesz
 verification for powerpc
In-Reply-To: <20170724235202.5675-1-victora@linux.vnet.ibm.com>
References: <20170724235202.5675-1-victora@linux.vnet.ibm.com>
Date: Fri, 04 Aug 2017 11:27:07 +0530
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Victor Aoqui <victora@linux.vnet.ibm.com> writes:

> Implemented default hugepage size verification (default_hugepagesz=)
> in order to allow allocation of defined number of pages (hugepages=)
> only for supported hugepage sizes.
>
> Signed-off-by: Victor Aoqui <victora@linux.vnet.ibm.com>

I am still not sure about this. With current upstream we get

 PCI: Probing PCI hardware                                     
 PCI: Probing PCI hardware done                                                                                                                       
 HugeTLB: unsupported default_hugepagesz 2097152. Reverting to 16777216                                                                               
 HugeTLB registered 16.0 MiB page size, pre-allocated 0 pages                                                                                         
 HugeTLB registered 16.0 GiB page size, pre-allocated 0 pages  

That warning is added by

d715cf804a0318e83c75c0a7abd1a4b9ce13e8da

Which should be good enough right ?

-aneesh