On Wednesday 20 January 2010, Oliver Neukum wrote: > Am Dienstag, 19. Januar 2010 21:37:35 schrieb Rafael J. Wysocki: > > That said, Maxim reported that in his test case the mm subsystem apparently > > attempted to use I/O even if there was a plenty of free memory available and > > I'd like prevent that from happening. > > Hi, > > it seems to me that this is caused by the mm subsytem maintaing > a share of clean pages precisely so that GFP_NOIO will work. > Perhaps it is a good idea to > a) launder a number of pages if the system is about to be suspended > between the freezer and notifying drivers That was tried, didn't work. > b) set the ration of clean pages to dirty pages to 0 while suspending > the system. Patch, please? Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
