diff options
Diffstat (limited to 'include/net/dst.h')
| -rw-r--r-- | include/net/dst.h | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 424bff66f16d..2270513d0790 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -34,7 +34,6 @@ struct sk_buff; struct dst_entry { struct net_device *dev; - struct rcu_head rcu_head; struct dst_ops *ops; unsigned long _metrics; unsigned long expires; @@ -56,8 +55,6 @@ struct dst_entry { #define DST_XFRM_QUEUE 0x0040 #define DST_METADATA 0x0080 - short error; - /* A non-zero value of dst->obsolete forces by-hand validation * of the route entry. Positive values are set by the generic * dst layer to indicate that the entry has been forcefully @@ -73,29 +70,25 @@ struct dst_entry { #define DST_OBSOLETE_KILL -2 unsigned short header_len; /* more space at head required */ unsigned short trailer_len; /* space to reserve at tail */ - unsigned short __pad3; - -#ifdef CONFIG_IP_ROUTE_CLASSID - __u32 tclassid; -#else - __u32 __pad2; -#endif -#ifdef CONFIG_64BIT - /* - * Align __refcnt to a 64 bytes alignment - * (L1_CACHE_SIZE would be too much) - */ - long __pad_to_align_refcnt[5]; -#endif /* * __refcnt wants to be on a different cache line from * input/output/ops or performance tanks badly */ - atomic_t __refcnt; /* client references */ +#ifdef CONFIG_64BIT + atomic_t __refcnt; /* 64-bit offset 64 */ +#endif int __use; unsigned long lastuse; struct lwtunnel_state *lwtstate; + struct rcu_head rcu_head; + short error; + short __pad; + __u32 tclassid; +#ifndef CONFIG_64BIT + atomic_t __refcnt; /* 32-bit offset 64 */ +#endif + union { struct dst_entry *next; }; @@ -244,7 +237,7 @@ static inline void dst_hold(struct dst_entry *dst) { /* * If your kernel compilation stops here, please check - * __pad_to_align_refcnt declaration in struct dst_entry + * the placement of __refcnt in struct dst_entry */ BUILD_BUG_ON(offsetof(struct dst_entry, __refcnt) & 63); WARN_ON(atomic_inc_not_zero(&dst->__refcnt) == 0); |