Wont compile on 3.9.1 with dkms on Debian

[psych0d0g]

blktap does not build with dkms on debian sid with 3.9.1 kernal

DKMS make.log for blktap-2.0.91 for kernel 3.9-1-amd64 (x86_64)
Fr 7. Jun 21:08:00 UTC 2013
make: Entering directory /usr/src/linux-headers-3.9-1-amd64' CC [M] /var/lib/dkms/blktap/2.0.91/build/control.o In file included from /var/lib/dkms/blktap/2.0.91/build/control.c:30:0: /var/lib/dkms/blktap/2.0.91/build/blktap.h:75:41: warning: variably modified 'pending' at file scope [enabled by default] CC [M] /var/lib/dkms/blktap/2.0.91/build/ring.o In file included from /var/lib/dkms/blktap/2.0.91/build/ring.c:30:0: /var/lib/dkms/blktap/2.0.91/build/blktap.h:75:41: warning: variably modified 'pending' at file scope [enabled by default] /var/lib/dkms/blktap/2.0.91/build/ring.c: In function 'blktap_ring_map_request': /var/lib/dkms/blktap/2.0.91/build/ring.c:206:2: error: too few arguments to function 'do_mmap_pgoff' In file included from /usr/src/linux-headers-3.9-1- common/include/linux/pagemap.h:7:0, from /usr/src/linux-headers-3.9-1-common/include/linux/blkdev.h:13, from /var/lib/dkms/blktap/2.0.91/build/ring.c:27: /usr/src/linux-headers-3.9-1-common/include/linux/mm.h:1454:22: note: declared here /var/lib/dkms/blktap/2.0.91/build/ring.c: In function 'blktap_ring_mmap_request': /var/lib/dkms/blktap/2.0.91/build/ring.c:438:19: error: 'VM_RESERVED' undeclared (first use in this function) /var/lib/dkms/blktap/2.0.91/build/ring.c:438:19: note: each undeclared identifier is reported only once for each function it appears in /var/lib/dkms/blktap/2.0.91/build/ring.c: In function 'blktap_ring_mmap_sring': /var/lib/dkms/blktap/2.0.91/build/ring.c:474:19: error: 'VM_RESERVED' undeclared (first use in this function) make[3]: *** [/var/lib/dkms/blktap/2.0.91/build/ring.o] Error 1 make[2]: *** [_module_/var/lib/dkms/blktap/2.0.91/build] Error 2 make[1]: *** [sub-make] Fehler 2 make: *** [all] Fehler 2 make: Leaving directory/usr/src/linux-headers-3.9-1-amd64'