linux-kernel - Re: [PATCH v3] powerpc/mm: Implemented default

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

Victor Aoqui <victora@...ux.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@...ux.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