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authorAlexander Duyck <alexander.h.duyck@intel.com>2012-01-27 06:22:53 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-02-10 15:57:47 -0800
commit4031ae6edb92f7e0aade76357813211ae0520a5c (patch)
tree1c8112798b23ce79e5e936e357b7c508a153aef9 /include/linux/skbuff.h
parent8a0da21be84019d605af2c9a92b20a084db77de1 (diff)
downloadop-kernel-dev-4031ae6edb92f7e0aade76357813211ae0520a5c.zip
op-kernel-dev-4031ae6edb92f7e0aade76357813211ae0520a5c.tar.gz
skbuff: Move rxhash and vlan_tci to consolidate holes in sk_buff
This change helps to reduce the overall size of the sk_buff by moving rxhash and vlan_tci so that the u16 values and u8 bitfields can be better combined to create only one hole instead of multiple. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 50db9b0..2b7317f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -438,6 +438,11 @@ struct sk_buff {
#endif
int skb_iif;
+
+ __u32 rxhash;
+
+ __u16 vlan_tci;
+
#ifdef CONFIG_NET_SCHED
__u16 tc_index; /* traffic control index */
#ifdef CONFIG_NET_CLS_ACT
@@ -445,8 +450,6 @@ struct sk_buff {
#endif
#endif
- __u32 rxhash;
-
__u16 queue_mapping;
kmemcheck_bitfield_begin(flags2);
#ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -470,8 +473,6 @@ struct sk_buff {
__u32 dropcount;
};
- __u16 vlan_tci;
-
sk_buff_data_t transport_header;
sk_buff_data_t network_header;
sk_buff_data_t mac_header;
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