ошибка компиляции submount

Вот че пишет:
* Preparing subfs module
make -C /usr/src/linux M=/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9 modules
make[1]: Entering directory `/usr/src/linux-2.6.18-gentoo'
CC [M] /var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.o
In file included from /var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.c:30:
/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.h:56: warning: initialization from incompatible pointer type
/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.h:62: warning: initialization from incompatible pointer type
/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.c: In function ‘subfs_get_super’:
/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.c:432: error: too few arguments to function ‘get_sb_nodev’
make[2]: *** [/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9/subfs.o] Ошибка 1
make[1]: *** [_module_/var/tmp/portage/submount-0.9-r2/work/submount-0.9/subfs-0.9] Ошибка 2
make[1]: Leaving directory `/usr/src/linux-2.6.18-gentoo'
make: *** [default] Ошибка 2

!!! ERROR: sys-fs/submount-0.9-r2 failed.
Call stack:
ebuild.sh, line 1546: Called dyn_compile
ebuild.sh, line 937: Called src_compile
submount-0.9-r2.ebuild, line 51: Called linux-mod_src_compile
linux-mod.eclass, line 469: Called die

!!! Unable to make KDIR=/usr/src/linux .
!!! If you need support, post the topmost build error, and the call stack if relevant.

Я так понимаю, может, че-нибудь в ядре не включил?