linux-kernel - Re: [PATCH 00/10] mm: Linux VM Infrastructure to support Memory Power Management

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Message-ID: <20110617210856.1dd3b482@infradead.org>
Date:	Fri, 17 Jun 2011 21:08:56 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Ankita Garg <ankita@...ibm.com>
Cc:	paulmck@...ux.vnet.ibm.com, Matthew Garrett <mjg59@...f.ucam.org>,
	Kyungmin Park <kmpark@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	svaidy@...ux.vnet.ibm.com, thomas.abraham@...aro.org
Subject: Re: [PATCH 00/10] mm: Linux VM Infrastructure to support Memory
 Power Management

On Wed, 15 Jun 2011 22:23:21 +0530
Ankita Garg <ankita@...ibm.com> wrote:

> The maximum order in buddy allocator is by default 1k pages. Isn't
> this too small a granularity to track blocks that might comprise a
> PASR unit? 

we had to bump the default up a little, but not all that much

(like 4x)
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