diff options
| author | Eric Dumazet <[email protected]> | 2015-01-14 15:17:06 -0800 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2015-01-15 18:26:16 -0500 |
| commit | 5055c371bfd53fd369b895051b541318c2bad495 (patch) | |
| tree | 28748ee77408e82a64ae13dbb4bd65f1eff6aa26 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 0799c2d6f42db2b275b6479035f5b7a30ef4ee39 (diff) | |
ipv4: per cpu uncached list
RAW sockets with hdrinc suffer from contention on rt_uncached_lock
spinlock.
One solution is to use percpu lists, since most routes are destroyed
by the cpu that created them.
It is unclear why we even have to put these routes in uncached_list,
as all outgoing packets should be freed when a device is dismantled.
Signed-off-by: Eric Dumazet <[email protected]>
Fixes: caacf05e5ad1 ("ipv4: Properly purge netdev references on uncached routes.")
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions