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authorThomas Graf <tgraf@suug.ch>2005-07-05 14:15:09 -0700
committerDavid S. Miller <davem@davemloft.net>2005-07-05 14:15:09 -0700
commit3d54b82fdf0ca79608f61448fb8ab92676487645 (patch)
tree441e7a997eca58d2d7d2d06c387667ba82937d58 /include/net/pkt_sched.h
parente41a33e6ec20a0a6ac762629149e36cab5d4213f (diff)
downloadlinux-3d54b82fdf0ca79608f61448fb8ab92676487645.tar.gz
[PKT_SCHED]: Cleanup qdisc creation and alignment macros
Adds qdisc_alloc() to share code between qdisc_create()
and qdisc_create_dflt(). Hides the qdisc alignment behind
macros and makes use of them.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/pkt_sched.h')
-rw-r--r--include/net/pkt_sched.h7
1 files changed, 3 insertions, 4 deletions
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 2f494a20d512..6492e7363d84 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -13,13 +13,12 @@ struct qdisc_walker
 
 extern rwlock_t qdisc_tree_lock;
 
-#define	QDISC_ALIGN		32
-#define	QDISC_ALIGN_CONST	(QDISC_ALIGN - 1)
+#define QDISC_ALIGNTO		32
+#define QDISC_ALIGN(len)	(((len) + QDISC_ALIGNTO-1) & ~(QDISC_ALIGNTO-1))
 
 static inline void *qdisc_priv(struct Qdisc *q)
 {
-	return (char *)q + ((sizeof(struct Qdisc) + QDISC_ALIGN_CONST)
-			      & ~QDISC_ALIGN_CONST);
+	return (char *) q + QDISC_ALIGN(sizeof(struct Qdisc));
 }
 
 /*