From: Ben Pfaff <blp@nicira.com>
Date: Mon, 25 Nov 2013 18:41:28 +0000 (-0800)
Subject: openvswitch: Shrink sw_flow_mask by 8 bytes (64-bit) or 4 bytes (32-bit).
X-Git-Tag: next-20140108~62^2~8^2~15
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8f49ce1135676e5790d8ac5f8ecb2a218c07a33a;p=karo-tx-linux.git

openvswitch: Shrink sw_flow_mask by 8 bytes (64-bit) or 4 bytes (32-bit).

We won't normally have a ton of flow masks but using a size_t to store
values no bigger than sizeof(struct sw_flow_key) seems excessive.

This reduces sw_flow_key_range and sw_flow_mask by 4 bytes on 32-bit
systems.  On 64-bit systems it shrinks sw_flow_key_range by 12 bytes but
sw_flow_mask only by 8 bytes due to padding.

Compile tested only.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
---

diff --git a/net/openvswitch/flow.h b/net/openvswitch/flow.h
index 1510f51dbf74..176406d9b779 100644
--- a/net/openvswitch/flow.h
+++ b/net/openvswitch/flow.h
@@ -122,8 +122,8 @@ struct sw_flow_key {
 } __aligned(BITS_PER_LONG/8); /* Ensure that we can do comparisons as longs. */
 
 struct sw_flow_key_range {
-	size_t start;
-	size_t end;
+	unsigned short int start;
+	unsigned short int end;
 };
 
 struct sw_flow_mask {