From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Nigel Cunningham <ncunningham@users.sourceforge.net>,
Patrick Mochel <mochel@osdl.org>,
Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: swsusp vs pgdir
Date: Fri, 23 Jan 2004 18:43:18 +1100 [thread overview]
Message-ID: <1074843781.878.1.camel@gaston> (raw)
In-Reply-To: <20040123073426.GA211@elf.ucw.cz>
> We test that CPU has PSE feature. That means kernel is mapped using
> 4MB page tables, and I do not have to care about page tables at
> all.
Just enlighten me please: How do these 4Mb page tables work ? The pgdir
entries contain special bits ? Then you at least must make sure the
swapper_pgdir is left intact. This is the case ? (I also suppose you
mean the entire linear mapping, not just the kernel, is mapped with
4M pages)
Ben.
next prev parent reply other threads:[~2004-01-23 7:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-23 4:58 swsusp vs pgdir Benjamin Herrenschmidt
2004-01-23 7:34 ` Pavel Machek
2004-01-23 7:43 ` Benjamin Herrenschmidt [this message]
2004-01-23 7:54 ` Pavel Machek
2004-01-23 8:21 ` Benjamin Herrenschmidt
2004-01-23 16:03 ` Patrick Mochel
2004-01-23 16:10 ` Benjamin Herrenschmidt
2004-01-23 16:45 ` Patrick Mochel
2004-01-23 16:53 ` Pavel Machek
2004-01-23 17:04 ` Pavel Machek
2004-01-24 1:03 ` Benjamin Herrenschmidt
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