ipc: inline ipc_buildid()

This is a trivial patch that changes the ipc_buildid() routine into a static
inline.

Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/ipc/util.h b/ipc/util.h
index fa7e7a07486e..76f8a79902de 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -107,7 +107,6 @@ void ipc_rcu_getref(void *ptr);
 void ipc_rcu_putref(void *ptr);
 
 struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
-int ipc_buildid(struct ipc_ids* ids, int id, int seq);
 
 void kernel_to_ipc64_perm(struct kern_ipc_perm *in, struct ipc64_perm *out);
 void ipc64_perm_to_ipc_perm(struct ipc64_perm *in, struct ipc_perm *out);
@@ -127,6 +126,11 @@ extern int ipcget_new(struct ipc_namespace *, struct ipc_ids *,
 extern int ipcget_public(struct ipc_namespace *, struct ipc_ids *,
                         struct ipc_ops *, struct ipc_params *);
 
+static inline int ipc_buildid(struct ipc_ids *ids, int id, int seq)
+{
+        return SEQ_MULTIPLIER * seq + id;
+}
+
 static inline int ipc_checkid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp,
                                 int uid)
 {