From: Andrew Morton <akpm@osdl.org>
To: Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com>
Cc: haveblue@us.ibm.com, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, lhms-devel@lists.sourceforge.net
Subject: Re: [Lhms-devel] Re: [RFC] buddy allocator without bitmap(2) [0/3]
Date: Tue, 31 Aug 2004 16:24:08 -0700 [thread overview]
Message-ID: <20040831162408.3718c83e.akpm@osdl.org> (raw)
In-Reply-To: <4134FF50.8000300@jp.fujitsu.com>
Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com> wrote:
>
> Because I had to record some information about shape of mem_map, I used PG_xxx bit.
> 1 bit is maybe minimum consumption.
The point is that we're running out of bits in page.flags.
You should be able to reuse an existing bit for this application. PG_lock would suit.
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next prev parent reply other threads:[~2004-08-31 23:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-31 10:36 Hiroyuki KAMEZAWA
2004-08-31 16:26 ` Dave Hansen
2004-08-31 22:44 ` [Lhms-devel] " Hiroyuki KAMEZAWA
2004-08-31 23:24 ` Andrew Morton [this message]
2004-08-31 23:53 ` Hiroyuki KAMEZAWA
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