summaryrefslogtreecommitdiff
path: root/net/xfrm/xfrm_hash.h
diff options
context:
space:
mode:
authorAlexey Dobriyan <adobriyan@gmail.com>2017-03-24 01:53:09 +0300
committerSteffen Klassert <steffen.klassert@secunet.com>2017-03-24 07:03:12 +0100
commitd7f6946630bc324b9d791bee6dc41ff0d9469b0b (patch)
tree49110d8f3f630d362098f8fd157d9d92594e6e54 /net/xfrm/xfrm_hash.h
parent1560875600b8aa88ff0f55f827a7741c026795ee (diff)
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>
Diffstat (limited to 'net/xfrm/xfrm_hash.h')
-rw-r--r--net/xfrm/xfrm_hash.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_hash.h b/net/xfrm/xfrm_hash.h
index 666c5ffe929d..eaea9c4fb3b0 100644
--- a/net/xfrm/xfrm_hash.h
+++ b/net/xfrm/xfrm_hash.h
@@ -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 */