diff options
| author |   Alexey Dobriyan <adobriyan@gmail.com> | 2017-03-24 01:53:09 +0300 |
|---|---|---|
| committer |   Steffen Klassert <steffen.klassert@secunet.com> | 2017-03-24 07:03:12 +0100 |
| commit | d7f6946630bc324b9d791bee6dc41ff0d9469b0b (patch) | |
| tree | 49110d8f3f630d362098f8fd157d9d92594e6e54 /net/xfrm | |
| parent | xfrm: remove unused struct xfrm_mgr::id (diff) | |
| download | linux-dev-d7f6946630bc324b9d791bee6dc41ff0d9469b0b.tar.xz linux-dev-d7f6946630bc324b9d791bee6dc41ff0d9469b0b.zip | |
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')
| -rw-r--r-- | net/xfrm/xfrm_hash.h | 4 |
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 */ |