From: "Martin J. Bligh" <mbligh@aracnet.com>
To: Hiroyuki KAMEZAWA <kamezawa.hiroyu@jp.fujitsu.com>,
LinuxIA64 <linux-ia64@vger.kernel.org>
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC/PATCH] pfn_valid() more generic : arch independent part[0/2]
Date: Wed, 06 Oct 2004 08:14:08 -0700 [thread overview]
Message-ID: <1209350000.1097075647@[10.10.2.4]> (raw)
In-Reply-To: <416392BF.1020708@jp.fujitsu.com>
> This is generic parts.
>
> Boot-time routine:
> At first, information of valid pages is gathered into a list.
> After gathering all information, 2 level table are created.
> Why I create table instead of using a list is only for good cache hit.
>
> pfn_valid_init() <- initilize some structures
> validate_pages(start,size) <- gather valid pfn information
> pfn_valid_setup() <- create 1st and 2nd table.
Boggle. what on earth are you trying to do?
pfn_valid does exactly one thing - it checks whether there is a struct
page for that pfn. Nothing else. Surely that can't possibly take a tenth
of this amount of code?
M.
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next prev parent reply other threads:[~2004-10-06 15:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-06 6:37 Hiroyuki KAMEZAWA
2004-10-06 15:14 ` Martin J. Bligh [this message]
2004-10-07 0:10 ` Hiroyuki KAMEZAWA
2004-10-07 5:22 Luck, Tony
2004-10-07 6:28 ` Hiroyuki KAMEZAWA
2004-10-07 14:38 ` Martin J. Bligh
2004-10-07 23:38 ` Hiroyuki KAMEZAWA
2004-10-07 15:53 Luck, Tony
2004-10-07 16:02 ` Martin J. Bligh
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