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Date: Mon, 19 Mar 2007 17:31:27 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Pavel Machek <pavel@....cz>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 2/3] swsusp: Do not use page flags On Mon, 12 Mar 2007 22:19:20 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote: > Make swsusp use memory bitmaps instead of page flags for marking 'nosave' and > free pages. This allows us to 'recycle' two page flags that can be used for other > purposes. Also, the memory needed to store the bitmaps is allocated when > necessary (ie. before the suspend) and freed after the resume which is more > reasonable. > > The patch is designed to minimize the amount of changes and there are some nice > simplifications and optimizations possible on top of it. I am going to > implement them separately in the future. Blows up with ia64 allmodconfig due to CONFIG_PM=y, CONFIG_SOFTWARE_SUSPEND=n: kernel/power/main.c:223: error: redefinition of 'software_suspend' include/linux/suspend.h:46: error: previous definition of 'software_suspend' was here I had a look at fixing it, but it's unobvious why we're compiling most of kernel/power/main.c when CONFIG_SOFTWARE_SUSPEND=n so I'll send this series back for repair please. - 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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