From: Arjan van de Ven <arjan@infradead.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, Dave Hansen <haveblue@us.ibm.com>,
hari@in.ibm.com
Subject: Re: [RFC][PATCH] nameing reserved pages [0/3]
Date: Wed, 20 Apr 2005 14:34:06 +0200 [thread overview]
Message-ID: <1114000447.6238.64.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <426644DA.70105@jp.fujitsu.com>
On Wed, 2005-04-20 at 21:02 +0900, KAMEZAWA Hiroyuki wrote:
> Hi,
>
> There are several types of PG_reserved pages,
> (a) Memory Hole
> (b) Used by Kernel
> (c) Set by drivers
> (d) Isorated by MCA
> (e) used by perfmon
> etc....
>
> I think it's useful to distinguish many types of PG_reserved pages.
I'm not so sure about this. at all.
> For example, Memory Hotplug can ignore (a).
Memory Hotplug can also use page_is_ram().
/dev/memstate really looks like a bad idea to me as well... I rather
have less than more /dev/*mem*
next prev parent reply other threads:[~2005-04-20 12:34 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-20 12:02 KAMEZAWA Hiroyuki
2005-04-20 12:34 ` Arjan van de Ven [this message]
2005-04-20 14:15 ` Kamezawa Hiroyuki
2005-04-20 14:30 ` Arjan van de Ven
2005-04-20 14:58 ` Kamezawa Hiroyuki
2005-04-20 17:18 ` Dave Hansen
2005-04-20 17:00 ` Dave Hansen
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