Messages in this thread | | | From | David Howells <> | Subject | Re: [PATCH] mm: Move check for SHRINKER_NUMA_AWARE to do_shrink_slab() | Date | Fri, 03 Aug 2018 12:18:45 +0100 |
| |
David Howells <dhowells@redhat.com> wrote:
> But! I'm not sure why the reproducer works at all because the umount2() call > is *after* the chroot, so should fail on ENOENT before it even gets that > far.
No, it shouldn't. It did chroot() not chdir().
> In fact, umount2() can be called multiple times, apparently successfully, and > doesn't actually unmount anything.
Okay, because it chroot'd into the directory. Should it return EBUSY though?
David
| |