5.6-rc1 commit 
2710c957a8ef ("fs_parse: get rid of ->enums") regressed
the huge tmpfs mount options to an earlier state: "deny" and "force"
are not valid there, and can crash the kernel.  Delete those lines.
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 
        {"always",      SHMEM_HUGE_ALWAYS },
        {"within_size", SHMEM_HUGE_WITHIN_SIZE },
        {"advise",      SHMEM_HUGE_ADVISE },
-       {"deny",        SHMEM_HUGE_DENY },
-       {"force",       SHMEM_HUGE_FORCE },
        {}
 };