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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
Date: Wed, 1 Feb 2017 10:11:03 -0800	[thread overview]
Message-ID: <20170201181103.GA30729@us.ibm.com> (raw)
In-Reply-To: <2499748.LKgOIUjhgo@morokweng>

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

      reply	other threads:[~2017-02-01 18:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-05  6:10 [PATCH 1/2] powerpc/pseries: Use a helper to fixup nr_cores Sukadev Bhattiprolu
2016-08-05  6:14 ` [PATCH 2/2] powerpc/pseries: Dynamically increase RMA size Sukadev Bhattiprolu
2016-08-05 13:28   ` kbuild test robot
2016-08-05 18:30   ` Sukadev Bhattiprolu
2016-08-05 19:04     ` Paul Clarke
2016-08-09 17:11       ` Sukadev Bhattiprolu
2017-02-01  5:37         ` Michael Ellerman
2017-02-01 17:49           ` Thiago Jung Bauermann
2017-02-01 18:11             ` Sukadev Bhattiprolu [this message]

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