On Fri, Oct 25, 2013 at 02:09:35PM -0400, [email protected] wrote: > From: KOSAKI Motohiro <[email protected]> > > Currently, set_pageblock_migratetype screw up MIGRATE_CMA and > MIGRATE_ISOLATE if page_group_by_mobility_disabled is true. It > rewrite the argument to MIGRATE_UNMOVABLE and we lost these attribute. > > The problem was introduced commit 49255c619f (page allocator: move > check for disabled anti-fragmentation out of fastpath). So, 4 years > lived issue may mean that nobody uses page_group_by_mobility_disabled. >
Nobody uses page_group_by_mobility_disabled with CMA at least. page_group_by_mobility_disabled only kicks in automatically for small machines so it's possible the condition is very rarely encountered. Anyway Acked-by: Mel Gorman <[email protected]> -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
