reorder struct xt_match to remove 8 bytes of padding and make its size
128 bytes.
This saves a small amount of data space in each of the xt netfilter
modules and fits xt_match in one 128 byte cache line.
Signed-off-by: Richard Kennedy <richard@xxxxxxxxxxxxxxx>
----
patch against v2.6.28-rc8
Compiled & running on AMD X2 desktop machine.
regards
Richard
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index e52ce47..c7ee874 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -270,6 +270,7 @@ struct xt_match
struct list_head list;
const char name[XT_FUNCTION_MAXNAMELEN-1];
+ u_int8_t revision;
/* Return true or false: return FALSE and set *hotdrop = 1 to
force immediate packet drop. */
@@ -302,7 +303,6 @@ struct xt_match
unsigned short proto;
unsigned short family;
- u_int8_t revision;
};
/* Registration hooks for targets. */
--
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