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Message-ID: <20070408125636.GB4404@ucw.cz> Date: Sun, 8 Apr 2007 12:56:36 +0000 From: Pavel Machek <pavel@....cz> To: "Rafael J. Wysocki" <rjw@...k.pl> Cc: LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Nigel Cunningham <ncunningham@...uxmail.org> Subject: Re: [RFC][PATCH -mm] swsusp: Use rbtree for tracking allocated swap Hi! > Some time ago we discussed the possibility of simplifying the swsusp's approach > towards tracking the swap pages allocated by it for saving the image (so that > they can be freed if there's an error). > > I think we can get back to it now, as it is a nice optimization that should > allow us to use less memory (almost always) and improve performance a bit. > Well, I do not think you can measure the difference, but... > kernel/power/power.h | 27 +--------- > kernel/power/swap.c | 18 +----- > kernel/power/swsusp.c | 135 ++++++++++++++++++++++++++------------------------ > kernel/power/user.c | 22 +------- > 4 files changed, 85 insertions(+), 117 deletions(-) ....as it removes code... I think we can do that. But it is 2.6.23+ material. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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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