On Wed 26-10-16 00:46:31, Lorenzo Stoakes wrote: > The holdout for unexporting __get_user_pages_unlocked() is its invocation in > mm/process_vm_access.c: process_vm_rw_single_vec(), as this definitely _does_ > seem to invoke VM_FAULT_RETRY behaviour which get_user_pages_remote() will not > trigger if we were to replace it with the latter. I am not sure I understand. Prior to 1e9877902dc7e this used get_user_pages_unlocked. What prevents us from reintroducing it with FOLL_REMOVE which was meant to be added by the above commit? Or am I missing your point? -- 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>