According to the review for the prev version [1], I got that I should not increase the size of struct page. So I update it in new version. And I also add check for CONFIG_MIGRATION to make function just work when CONFIG_MIGRATION is open. Hui Zhu (3): migrate: new struct migration and add it to struct page zsmalloc: mark its page "PageMigration" zram: make create "__GFP_MOVABLE" pool drivers/block/zram/zram_drv.c | 6 include/linux/migrate.h | 43 ++ include/linux/mm_types.h | 3 mm/compaction.c | 8 mm/migrate.c | 17 - mm/vmscan.c | 2 mm/zsmalloc.c | 605 +++++++++++++++++++++++++++++++++++++++--- 7 files changed, 639 insertions(+), 45 deletions(-) [1] http://comments.gmane.org/gmane.linux.kernel.mm/139724 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>