As the discussion in the list, the zsmalloc introduce some problems around pages because its pages are unmovable. These patches introduced page move function to zsmalloc. And they also add interface to struct page. Hui Zhu (3): page: add new flags "PG_movable" and add interfaces to control these pages zsmalloc: mark its page "PG_movable" zram: make create "__GFP_MOVABLE" pool drivers/block/zram/zram_drv.c | 4 include/linux/mm_types.h | 11 + include/linux/page-flags.h | 3 mm/compaction.c | 6 mm/debug.c | 1 mm/migrate.c | 17 + mm/vmscan.c | 2 mm/zsmalloc.c | 409 ++++++++++++++++++++++++++++++++++++++++-- 8 files changed, 428 insertions(+), 25 deletions(-) -- 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>