From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: USB mass storage and ARM cache coherency
Date: Thu, 11 Mar 2010 21:44:31 +0000 [thread overview]
Message-ID: <1268343871.22204.709.camel@pasglop> (raw)
In-Reply-To: <20100310035249.GB17693@linux-sh.org>
On Wed, 2010-03-10 at 12:52 +0900, Paul Mundt wrote:
> Well, it does start to get a bit painful with sparsemem section or
> NUMA
> node IDs also digging in to the page flags on 32-bit.. the benefits
> would
> have to be pretty compelling to offset the pain.
Unless we play a dangerous trick and re-use another flag that isn't
meaningful for allocated pages... maybe PG_buddy ? Or do I miss
something about that guy semantics ?
Cheers,
Ben.
prev parent reply other threads:[~2010-03-11 21:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100302211049V.fujita.tomonori@lab.ntt.co.jp>
[not found] ` <1267549527.15401.78.camel@e102109-lin.cambridge.arm.com>
[not found] ` <20100303215437.GF2579@ucw.cz>
[not found] ` <1267709756.6526.380.camel@e102109-lin.cambridge.arm.com>
[not found] ` <20100304135128.GA12191@atrey.karlin.mff.cuni.cz>
[not found] ` <1267712512.31654.176.camel@mulgrave.site>
[not found] ` <1267716578.6526.483.camel@e102109-lin.cambridge.arm.com>
[not found] ` <20100304154103.GA9384@linux-sh.org>
[not found] ` <1267726049.6526.543.camel@e102109-lin.cambridge.arm.com>
[not found] ` <1267738660.22204.77.camel@pasglop>
2010-03-05 1:17 ` USB mass storage and ARM cache coherency Paul Mundt
2010-03-05 4:44 ` Benjamin Herrenschmidt
2010-03-10 3:52 ` Paul Mundt
2010-03-11 21:44 ` Benjamin Herrenschmidt [this message]
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