On Fri, 16 Oct 2015 15:08:27 -0700 Mike Kravetz <mike.kravetz@xxxxxxxxxx> wrote: > The hugetlbfs fallocate hole punch code can race with page faults. The > result is that after a hole punch operation, pages may remain within the > hole. No other side effects of this race were observed. > > In preparation for adding userfaultfd support to hugetlbfs, it is desirable > to plug or significantly shrink this hole. This patch set uses the same > mechanism employed in shmem (see commit f00cdc6df7). > "still buggy but not as bad as before" isn't what we strive for ;) What would it take to fix this for real? An exhaustive description of the bug would be a good starting point, thanks. -- 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>