net: sunrpc: kill unused macros

These macros never be used for several years.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

net/sunrpc/auth_gss/svcauth_gss.c

@@ -67,7 +67,6 @@ static int netobj_equal(struct xdr_netobj *a, struct xdr_netobj *b)
 
 #define	RSI_HASHBITS	6
 #define	RSI_HASHMAX	(1<<RSI_HASHBITS)
-#define	RSI_HASHMASK	(RSI_HASHMAX-1)
 
 struct rsi {
 	struct cache_head	h;
@@ -319,7 +318,6 @@ static struct rsi *rsi_update(struct rsi *new, struct rsi *old)
 
 #define	RSC_HASHBITS	10
 #define	RSC_HASHMAX	(1<<RSC_HASHBITS)
-#define	RSC_HASHMASK	(RSC_HASHMAX-1)
 
 #define GSS_SEQ_WIN	128
 

net/sunrpc/svcauth.c

@@ -118,7 +118,6 @@ EXPORT_SYMBOL_GPL(svc_auth_unregister);
 
 #define	DN_HASHBITS	6
 #define	DN_HASHMAX	(1<<DN_HASHBITS)
-#define	DN_HASHMASK	(DN_HASHMAX-1)
 
 static struct hlist_head	auth_domain_table[DN_HASHMAX];
 static spinlock_t	auth_domain_lock =

net/sunrpc/svcauth_unix.c

@@ -85,7 +85,6 @@ static void svcauth_unix_domain_release(struct auth_domain *dom)
  */
 #define	IP_HASHBITS	8
 #define	IP_HASHMAX	(1<<IP_HASHBITS)
-#define	IP_HASHMASK	(IP_HASHMAX-1)
 
 struct ip_map {
 	struct cache_head	h;
@@ -497,7 +496,6 @@ svcauth_unix_info_release(struct svc_xprt *xpt)
  */
 #define	GID_HASHBITS	8
 #define	GID_HASHMAX	(1<<GID_HASHBITS)
-#define	GID_HASHMASK	(GID_HASHMAX - 1)
 
 struct unix_gid {
 	struct cache_head	h;