mac80211: shrink struct ieee80211_fragment_entry

Most of the fields in this struct use too wide types, change
that to shrink the struct from 64 to 48 bytes (on 64-bit.)

This results in a total saving of 64 bytes for each interface.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index dd131e9b41d7e0ec20df22662a9abd5f0ac636a4..52930e91c0fd69f6c15bbd25ca67bcbd7f279db3 100644 (file)
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -84,13 +84,13 @@ struct ieee80211_local;
 #define IEEE80211_DEAUTH_FRAME_LEN     (24 /* hdr */ + 2 /* reason */)
 
 struct ieee80211_fragment_entry {
-       unsigned long first_frag_time;
-       unsigned int seq;
-       unsigned int rx_queue;
-       unsigned int last_frag;
-       unsigned int extra_len;
        struct sk_buff_head skb_list;
-       int ccmp; /* Whether fragments were encrypted with CCMP */
+       unsigned long first_frag_time;
+       u16 seq;
+       u16 extra_len;
+       u16 last_frag;
+       u8 rx_queue;
+       bool ccmp; /* Whether fragments were encrypted with CCMP */
        u8 last_pn[6]; /* PN of the last fragment if CCMP was used */
 };