Joonsoo Kim <iamjoonsoo.kim@xxxxxxx> writes: > The check '!PageBuddy(page) && page_count(page) == 0 && > migratetype == MIGRATE_ISOLATE' would mean the page on free processing. > Although it could go into buddy allocator within a short time, > futher operation such as isolate_freepages_range() in CMA, called after > test_page_isolated_in_pageblock(), could be failed due to this unstability > since it requires that the page is on buddy. I think that removing > this unstability is good thing. Is that true in case of check_pages_isolated_cb ? Does that require PageBuddy to be true ? > > And, following patch makes isolated freepage has new status matched with > this condition and this check is the obstacle to that change. So remove > it. Can you quote the patch summary in the above case ? ie, something like And the followiing patch "mm/....." makes isolate freepage. -aneesh -- 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>