Hi! > From: Barry Song <Baohua.Song@xxxxxxx> > > Current swsusp requires swap partitions even larger than real saved pages > due to the worst compress ratio: > but for an embedded system, which has limited storage space, then it might > can't give the big size partition to save snapshot. > In the another way, some embedded systems can definitely know the most size > needed for snapshot since they run some specific application lists. > So this patch provides the possibility for bootloader to tell kernel even > the system has a little snapshot partition, but it is still enough. > For example, if the system need to save 120MB memory, origin swsusp will require > a 130MB partition to save snapshot. but if users know 30MB is enough for them( > compressed image will be less than 30MB), they just make a 30MB > partition. Would it be better to have /sys/power/... entry which would allow configuring expected compression ratio at runtime? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
