Messages in this thread | | | Date | Sun, 8 Apr 2007 12:56:36 +0000 | From | Pavel Machek <> | 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@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |