Commit d7f69466 authored Mar 24, 2017 by Alexey Dobriyan Committed by Steffen Klassert Mar 24, 2017

xfrm: use "unsigned int" in __xfrm6_pref_hash()



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

Space savings:

	add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-58 (-58)
	function                                     old     new   delta
	xfrm_hash_resize                            2752    2743      -9
	policy_hash_bysel                            985     973     -12
	policy_hash_direct                          1036     999     -37

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

parent 15608756

net/xfrm/xfrm_hash.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -54,8 +54,8 @@ static inline unsigned int __xfrm4_dpref_spref_hash(const xfrm_address_t *daddr,
		static inline unsigned int __xfrm6_pref_hash(const xfrm_address_t *addr,
		__u8 prefixlen)
		{
		int pdw;
		int pbi;
		unsigned int pdw;
		unsigned int pbi;
		u32 initval = 0;

		pdw = prefixlen >> 5; /* num of whole u32 in prefix */

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