From: William Lee Irwin III <wli@holomorphy.com>
To: Christoph Hellwig <hch@infradead.org>,
Andrea Arcangeli <andrea@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: 64GB NUMA-Q after pgcl
Date: Mon, 31 Mar 2003 11:08:03 -0800 [thread overview]
Message-ID: <20030331190803.GS30140@holomorphy.com> (raw)
In-Reply-To: <20030331194117.A27859@infradead.org>
On Mon, Mar 31, 2003 at 08:35:06PM +0200, Andrea Arcangeli wrote:
>> About you not caring anymore about the mem_map array size, that still
>> matters on the embedded usage, infact rmap on the embedded usage is the
>> biggest waste there, normally they don't even have swap so if something
>> you should use the rmap provided for truncate, rather than wasting
>> memory in the mem_map array.
On Mon, Mar 31, 2003 at 07:41:17PM +0100, Christoph Hellwig wrote:
> We have CONFIG_SWAP for that in 2.5..
I think the rmap allocations currently depend on CONFIG_MMU; IMHO it
can be moved to CONFIG_SWAP if/when objrmap is merged since only
anonymous memory will need pte_chains then, and it can't be evicted.
-- wli
next prev parent reply other threads:[~2003-03-31 18:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-28 4:00 64GB NUMA-Q after pgcl William Lee Irwin III
2003-03-28 7:45 ` Zwane Mwaikambo
2003-03-28 7:57 ` William Lee Irwin III
2003-03-28 8:05 ` Zwane Mwaikambo
2003-03-28 10:14 ` William Lee Irwin III
2003-03-28 17:38 ` John Levon
2003-03-30 23:19 ` Andrea Arcangeli
2003-03-31 4:27 ` William Lee Irwin III
2003-03-31 5:22 ` William Lee Irwin III
2003-03-31 21:02 ` Ingo Oeser
2003-03-31 22:27 ` William Lee Irwin III
2003-04-01 1:25 ` Andrea Arcangeli
2003-03-31 18:35 ` Andrea Arcangeli
2003-03-31 18:41 ` Christoph Hellwig
2003-03-31 19:08 ` William Lee Irwin III [this message]
2003-04-01 0:47 ` Andrea Arcangeli
2003-04-01 0:44 ` Andrea Arcangeli
2003-03-31 18:55 ` William Lee Irwin III
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