Messages in this thread Patch in this message | | | Date | Mon, 29 Sep 2003 23:59:46 +0200 | From | Pavel Machek <> | Subject | Re: pm: Revert swsusp to 2.6.0-test3 |
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Hi!
> > > > I'd also like to have some kind of readme or similar on the different > > > > suspend/resume issues, and why we have two different > > > > approaches. Hmm? > > > > <azbestos underwear on>What about this one?</off> > > Thanks to Tomas Szepe, grammar fixed a bit.
Okay, third version, thanks to Samurai.
--- clean/Documentation/power/swsusp.txt 2003-08-27 12:00:01.000000000 +0200 +++ linux/Documentation/power/swsusp.txt 2003-09-29 23:59:01.000000000 +0200 @@ -17,6 +17,24 @@ You need to append resume=/dev/your_swap_partition to kernel command line. Then you suspend by echo 4 > /proc/acpi/sleep. +Pavel's unreliable guide to swsusp mess +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +There are currently two versions of swap suspend in the kernel, the old +"Pavel's" version in kernel/power/swsusp.c and the new "Patrick's" +version in kernel/power/pmdisk.c. They provide the same functionality; +the old version looks ugly but was tested, while the new version looks +nicer but did not receive so much testing. echo 4 > /proc/acpi/sleep +calls the old version, echo disk > /sys/power/state calls the new one. + +[In the future, when the new version is stable enough, two things can +happen: + +* the new version is moved into swsusp.c, and swsusp is renamed to swap + suspend (Pavel prefers this) + +* pmdisk is kept as is and swsusp.c is removed from the kernel] + [Notice. Rest docs is pretty outdated (see date!) It should be safe to use swsusp on ext3/reiserfs these days.] -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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