AcoSail/kernel_optimize_test
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xfrm: use "unsigned int" in addr_match()

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x86_64 is zero-extending arch so "unsigned int" is preferred over "int"
for address calculations and extending to size_t.

Space savings:

	add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-24 (-24)
	function                                     old     new   delta
	xfrm_state_walk                              708     696     -12
	xfrm_selector_match                          918     906     -12

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Alexey Dobriyan 2017-03-24 02:07:50 +03:00 committed by Steffen Klassert
parent d7f6946630
commit e1b0048e18
1 changed files with 3 additions and 3 deletions
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6
include/net/xfrm.h
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@ -816,12 +816,12 @@ static inline void xfrm_state_hold(struct xfrm_state *x)
}
static inline bool addr_match(const void *token1, const void *token2,
int prefixlen)
unsigned int prefixlen)
{
const __be32 *a1 = token1;
const __be32 *a2 = token2;
int pdw;
int pbi;
unsigned int pdw;
unsigned int pbi;
pdw = prefixlen >> 5; /* num of whole u32 in prefix */
pbi = prefixlen & 0x1f; /* num of bits in incomplete u32 in prefix */