Hi. On Tue, 2009-05-26 at 00:58 +0200, Rafael J. Wysocki wrote: > On Tuesday 26 May 2009, Oliver Neukum wrote: > > Am Montag, 25. Mai 2009 23:43:23 schrieb Rafael J. Wysocki: > > > > Oh, before I forget to mention and you ask - how to know what allowance > > > > for the drivers? I use a sysfs entry - the user then just needs to see > > > > what's needed on their first attempt, set up a means of putting that > > > > value in the sysfs file in future (eg /etc/hibernate/tuxonice.conf) and > > > > then forget about it. > > > > > > OK, this is reasonable. > > > > No, I am afraid it is not. The average user has no clue. Even if that > > is not the problem, the user never knows for sure he has encountered > > the worst case. > > OK there, but surely it's better to have a sysfs attribute than a fixed value? > > > If you really have drivers that have exceptionally large memory requirements > > (eg. you need to copy video ram), you should tell the system through struct > > driver and do accounting at probe and removal of devices. > > Or perhaps the drivers should allocate memory from a PM notifier (which is > called before the freezing of tasks) to avoid the problem? That would work. Regards, Nigel _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
