On Tue, 4 Feb 2014, Joonsoo Kim wrote: > Okay. It can't fix your situation. Anyway, *normal* anon pages may be mapped > and have positive page_count(), so your code such as > '!page_mapping(page) && page_count(page)' makes compaction skip these *normal* > anon pages and this is incorrect behaviour. >
So how does that work with migrate_page_move_mapping() which demands page_count(page) == 1 and the get_page_unless_zero() in __isolate_lru_page()? -- 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/
