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flowcache: make flow_key_size() return "unsigned int"

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Flow keys aren't 4GB+ numbers so 64-bit arithmetic is excessive.

Space savings (I'm not sure what CSWTCH is):

	add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-48 (-48)
	function                                     old     new   delta
	flow_cache_lookup                           1163    1159      -4
	CSWTCH                                     75997   75953     -44

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
2017-04-03 00:51:50 +03:00
committed by David S. Miller
parent d39004ab13
commit 5a17d9ed9a
2 changed files with 4 additions and 4 deletions
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2
include/net/flow.h
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@@ -202,7 +202,7 @@ static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
typedef unsigned long flow_compare_t;
static inline size_t flow_key_size(u16 family)
static inline unsigned int flow_key_size(u16 family)
{
switch (family) {
case AF_INET: