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Date: Wed, 1 Feb 2017 10:11:03 -0800
From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
To: Thiago Jung Bauermann <bauerman@linux.vnet.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org, Michael Ellerman <mpe@ellerman.id.au>,
 Paul Clarke <pc@us.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] powerpc/pseries: Dynamically increase RMA size
References: <20160805061041.GA31857@us.ibm.com>
 <20160809171131.GA2329@us.ibm.com>
 <87wpdatqrt.fsf@concordia.ellerman.id.au>
 <2499748.LKgOIUjhgo@morokweng>
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Thiago Jung Bauermann [bauerman@linux.vnet.ibm.com] wrote:
> Instead of this method of trying a small RMA size and rebooting to try a 
> bigger size, could the "min RMA percentage of total RAM" field of the 
> ibm_architecture_vec be used?

We tried that and concluded that even 1% could end up reserving a lot of
memory on systems with lot of memory.

Sukadev