On Mon 05-12-16 17:17:07, Huang Shijie wrote: [...] > The failure is caused by: > 1) kernel fails to allocate a gigantic page for the surplus case. > And the gather_surplus_pages() will return NULL in the end. > > 2) The condition checks for some functions are wrong: > return_unused_surplus_pages() > nr_overcommit_hugepages_store() > hugetlb_overcommit_handler() OK, so how is this any different from gigantic (1G) hugetlb pages on x86_64? Do we need the same functionality or is it just 32MB not being handled in the same way as 1G? Thanks! -- Michal Hocko SUSE Labs -- 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>