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| author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-06-02 03:24:13 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-06-02 03:24:13 -0700 |
| commit | 371121057607e3127e19b3fa094330181b5b031e (patch) | |
| tree | d0803bdf06a50fdad88435588f66b2f0f4c95008 /README | |
| parent | bc135b23d01acf7ee926aaf75b0020c86d3869f9 (diff) | |
| download | kernel_samsung_crespo-371121057607e3127e19b3fa094330181b5b031e.zip kernel_samsung_crespo-371121057607e3127e19b3fa094330181b5b031e.tar.gz kernel_samsung_crespo-371121057607e3127e19b3fa094330181b5b031e.tar.bz2 | |
net: QDISC_STATE_RUNNING dont need atomic bit ops
__QDISC_STATE_RUNNING is always changed while qdisc lock is held.
We can avoid two atomic operations in xmit path, if we move this bit in
a new __state container.
Location of this __state container is carefully chosen so that fast path
only dirties one qdisc cache line.
THROTTLED bit could later be moved into this __state location too, to
avoid dirtying first qdisc cache line.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions