#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
#define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
#define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))