From: Petko Manolov <petkan@varel.bg>
To: "David Mentr\\'e" <David.Mentre@irisa.fr>
Cc: linux-mm@kvack.org
Subject: Re: 4M kernel pages
Date: Mon, 16 Nov 1998 17:06:46 +0200 [thread overview]
Message-ID: <36503F86.FC08594@varel.bg> (raw)
In-Reply-To: <wd8emr3yfeu.fsf@parate.irisa.fr>
David Mentr\'e wrote:
>
> Petko Manolov <petkan@varel.bg> writes:
>
> > Also we have less TLB misses when the kernel is in 4M page.
>
> The kernel is already using 4M pages (for a long time now).
Yes, i know that. I took a look at
linux/arch/i386/mm/init.c - paging_init().
Yes we rise PSE bit in cr4 but don't rise the PS bit in
the pade directory entry for the kernel - which means the
kernel is in 4K pages.
regards
--
Petko Manolov - petkan@varel.bg
http://www.varel.bg/~petkan
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next prev parent reply other threads:[~1998-11-16 15:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-11-13 12:04 May be stupid question ;-) Petko Manolov
1998-11-13 14:12 ` Rik van Riel
1998-11-16 7:44 ` Petko Manolov
1998-11-16 8:30 ` 4M kernel pages Petko Manolov
[not found] ` <wd8emr3yfeu.fsf@parate.irisa.fr>
1998-11-16 15:06 ` Petko Manolov [this message]
1998-11-16 15:27 ` David Mentr\'e
1998-11-16 16:50 ` Petko Manolov
1998-11-16 18:18 ` David Mentr\'e
1998-11-17 9:30 ` Petko Manolov
1998-11-16 18:43 ` Rik van Riel
1998-11-17 9:34 ` Petko Manolov
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