lkml.org 
[lkml]   [2007]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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/

\
 
 \ /
  Last update: 2007-04-08 14:59    [W:0.071 / U:0.312 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site