Hi Minchan, On wto, 2013-08-13 at 16:04 +0900, Minchan Kim wrote: > patch 2 introduce pinpage control > subsystem. So, subsystems want to control pinpage should implement own > pinpage_xxx functions because each subsystem would have other character > so what kinds of data structure for managing pinpage information depends > on them. Otherwise, they can use general functions defined in pinpage > subsystem. patch 3 hacks migration.c so that migration is > aware of pinpage now and migrate them with pinpage subsystem.
I wonder why don't we use page->mapping and a_ops? Is there any disadvantage of such mapping/a_ops? Best regards, Krzysztof -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/