On Fri, 16 Oct 2015 15:08:27 -0700 Mike Kravetz <[email protected]> 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
