Rafael J. Wysocki wrote: > > IMO to really fix the problem, we should let the drivers that need much memory > for suspending allocate it _before_ the memory shrinker is called. For this > purpose we can use notifiers that will be called before we start the shrinking > of memory. Namely, if a driver needs to allocate substantial amount of memory > for suspending, it can register a notifier that will be called before we try to > shrink memory. Then, the memory needed by the driver may be allocated in > this notifier (of course, in that case it will also have to be called if the > shrinking of memory fails, so that the memory allocated by the driver for > suspending can be freed) and used in the driver's .suspend() routine. > Can't you just put a "prepare to suspend" function pointer in the bus_type and device_driver structs? _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
