42 #define ASSIGN(FN, A, X, N) ((X) = FN(A, N))  argument
43 #define EVAL1(FN, A, X) ASSIGN(FN, A, X, 0) /*X = FN(0)*/  argument
44 #define EVAL2(FN, A, X, Y...)	\  argument
45 	do { ASSIGN(FN, A, X, 1);  EVAL1(FN, A, Y); } while (0)
46 #define EVAL(FN, A, X...) CONCATENATE(EVAL, COUNT_ARGS(X))(FN, A, X)  argument
51 #define AA_BUG_PREEMPT_ENABLED(X) AA_BUG(preempt_count() <= 0, X)  argument
53 #define AA_BUG_PREEMPT_ENABLED(X) /* nop */  argument
60 #define __get_buffers(C, X...)    EVAL(__get_buffer, C, X)  argument
62 #define __put_buffers(X, Y...) ((void)&(X))  argument
64 #define get_buffers(X...)						\  argument
67 	__get_buffers(__cpu_var, X);					\
70 #define put_buffers(X, Y...)		\  argument
72 	__put_buffers(X, Y);		\