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Commit d7f69466 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Steffen Klassert
Browse files

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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarSteffen 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 */