From: Pavel Machek <pavel@suse.cz>
To: Michael Frank <mhf@linuxmail.org>
Cc: Andrea Arcangeli <andrea@suse.de>,
Nigel Cunningham <ncunningham@users.sourceforge.net>,
linux-kernel@vger.kernel.org
Subject: Re: Reserved page flaging of 2.4 kernel memory changed recently?
Date: Thu, 19 Feb 2004 17:14:55 +0100 [thread overview]
Message-ID: <20040219161455.GC259@elf.ucw.cz> (raw)
In-Reply-To: <opr3l0mfdw4evsfm@smtp.pacific.net.th>
Hi!
> >>I actually would like to rename the bit PG_nosave to PG_donttouch ;)
>
> to make a point with regard to:
>
> no transfer of page contents during suspend/resume
> no netdump
> no debugger access without override
>
> ... but the name does not matter and we do not have to change it.
>
> >Its used for swsusp internal data, too...
>
> Yes of course - how else would swsusp run, but these data are also not
> "touched"
> during suspend and resume wrt transfer of page content.
Yes. But I still want to be able to access swsusp internal data
through debugger, and I want them in the netdump.
That means that PG_nosave | PG_reserved indeed is "PG_donttouch", but
PG_nosave has slightly different meaning.
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
next prev parent reply other threads:[~2004-02-19 16:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-05 2:07 Reserved page flaging of 2.4 kernel memory changed recently? Michael Frank
2004-02-08 2:06 ` Andrea Arcangeli
2004-02-10 15:24 ` Michael Frank
2004-02-10 18:51 ` Andrea Arcangeli
2004-02-10 19:38 ` Michael Frank
2004-02-11 8:36 ` Michael Frank
2004-02-19 7:26 ` Pavel Machek
2004-02-19 9:00 ` Michael Frank
2004-02-19 16:14 ` Pavel Machek [this message]
2004-02-19 17:37 ` Michael Frank
2004-02-19 17:35 ` Pavel Machek
2004-02-19 17:59 ` Michael Frank
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