From: Andrew Morton <akpm@linux-foundation.org>
To: Hugh Dickins <hughd@google.com>
Cc: Shaohua Li <shli@kernel.org>, Rafael Aquini <aquini@redhat.com>,
riel@redhat.com, minchan@kernel.org, kmpark@infradead.org,
linux-mm@kvack.org
Subject: Re: [patch 4/4 v3]swap: make cluster allocation per-cpu
Date: Wed, 20 Mar 2013 13:56:18 -0700 [thread overview]
Message-ID: <20130320135618.a476f40e4683cf20509b904d@linux-foundation.org> (raw)
In-Reply-To: <alpine.LNX.2.00.1303191540220.5966@eggly.anvils>
On Tue, 19 Mar 2013 16:09:01 -0700 (PDT) Hugh Dickins <hughd@google.com> wrote:
> But I'm not all that keen on this one. Partly because I suspect that
> this per-cpu'ing won't in the end be the right approach
That was my reaction. The CPU isn't the logical thing upon which to
key the clustering. It mostly-works, because of the way in which the
kernel operates but it's a bit of a flukey hack. A more logical thing
around which to subdivide the clustering is the mm_struct.
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next prev parent reply other threads:[~2013-03-20 20:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-21 2:18 Shaohua Li
2013-03-19 23:09 ` Hugh Dickins
2013-03-20 20:56 ` Andrew Morton [this message]
2013-03-20 21:58 ` Hugh Dickins
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