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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2010-11-18 22:04:46 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-11-19 10:06:54 -0800 |
| commit | c26aed40f4fd18f86bcc6aba557cab700b129b73 (patch) | |
| tree | e723d358ddd6facc3af4f37be02fabcf71e3e605 /net/x25/af_x25.c | |
| parent | filter: cleanup codes[] init (diff) | |
| download | linux-dev-c26aed40f4fd18f86bcc6aba557cab700b129b73.tar.xz linux-dev-c26aed40f4fd18f86bcc6aba557cab700b129b73.zip | |
filter: use reciprocal divide
At compile time, we can replace the DIV_K instruction (divide by a
constant value) by a reciprocal divide.
At exec time, the expensive divide is replaced by a multiply, a less
expensive operation on most processors.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
0 files changed, 0 insertions, 0 deletions