On Tuesday 14 June 2011 18:58:35 Michal Nazarewicz wrote: > On Tue, 14 Jun 2011 18:03:00 +0200, Arnd Bergmann wrote: > > For all I know, that is something that is only true for a few very > > special Samsung devices, > > Maybe. I'm just answering your question. :) > > Ah yes, I forgot that separate regions for different purposes could > decrease fragmentation. That is indeed a good point, but having a good allocator algorithm could also solve this. I don't know too much about these allocation algorithms, but there are probably multiple working approaches to this. > > I would suggest going forward without having multiple regions: > > Is having support for multiple regions a bad thing? Frankly, > removing this support will change code from reading context passed > as argument to code reading context from global variable. Nothing > is gained; functionality is lost. What is bad IMHO is making them the default, which forces the board code to care about memory management details. I would much prefer to have contiguous allocation parameters tuned automatically to just work on most boards before we add ways to do board-specific hacks. Arnd -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>