nfs/server: Memory accounting changes
nfs/server: Memory accounting changes

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 329 (Replacing memory allocation functions with mem-type functions)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329

Kaushikbv/Gluster,Kaushikbv/Gluster,Kaushikbv/Gluster