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Date: Wed, 25 Apr 2007 10:48:57 +0300 From: Dumitru Ciobarcianu <Dumitru.Ciobarcianu@...S.RO> To: Pavel Machek <pavel@....cz> Cc: Ingo Molnar <mingo@...e.hu>, Linus Torvalds <torvalds@...ux-foundation.org>, Nigel Cunningham <nigel@...el.suspend2.net>, Christian Hesse <mail@...thworm.de>, Nick Piggin <npiggin@...e.de>, Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>, suspend2-devel@...ts.suspend2.net, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Arjan van de Ven <arjan@...radead.org> Subject: Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2: hang in atomic copy) On Wed, 2007-04-25 at 07:29 +0000, Pavel Machek wrote: > > userspace-driven-suspend is already in the kernel, today. So it's not > > really "two versions side by side doing the same thing", but more of: > > > > A B C + D E F G H > > > > where "ABC" is used by the uswsusp code today, and "ABCDEFGH" is used by > > suspend2. So any "suspend2 merge" would largely be about adding "DEFGH". > > Actually, we have 'D H' in kernel, today. It is called swsusp... > (Encryption, swapFile support and Graphical progress are missing from > today's kernel.) Please stop using FUD. Graphical progress it's not in the kernel, even with suspend2. > > > My original mail was about the following thing: i tried the suspend2 > > patch (which just makes "echo disk > /sys/power/state" work as expected, > > as long as you give the booting up kernel image an idea about where the > > ..and it means that 'echo disk > ...' should work w/o suspend2 patch, > too. (Just try it). You'll miss compression part, but that provides > only small speedup. I beg to differ: Compressed 904687616 bytes into 418828687 (53 percent compression). Almost 500mb less to write (did I mention it writes the full image?). Now imagine the time it takes to write that with those pesky 4200rpm laptop hdds. -- Cioby "Mr Linus, how do you debug the kernel, what tools do you use?" "Ever heard of prinf ?" (From an presentation at the "Politehnica" University of Bucharest, 1995) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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