Currently spufs_mem_release and the mem file doesn't have any release
method hooked up, leading to leaks everytime is used.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Signed-off-by: NJeremy Kerr <jk@ozlabs.org>
Signed-off-by: NPaul Mackerras <paulus@samba.org>