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| author | Eric Dumazet <edumazet@google.com> | 2019-10-09 15:10:15 -0700 |
|---|---|---|
| committer | Jakub Kicinski <jakub.kicinski@netronome.com> | 2019-10-09 21:35:00 -0700 |
| commit | 1f142c17d19a5618d5a633195a46f2c8be9bf232 (patch) | |
| tree | b64b0a41ac143b7a2eefa20d06eab67a5c4f16da /net/core/sock.c | |
| parent | 60b173ca3d1cd1782bd0096dc17298ec242f6fb1 (diff) | |
| download | lwn-1f142c17d19a5618d5a633195a46f2c8be9bf232.tar.gz lwn-1f142c17d19a5618d5a633195a46f2c8be9bf232.zip | |
tcp: annotate lockless access to tcp_memory_pressure
tcp_memory_pressure is read without holding any lock,
and its value could be changed on other cpus.
Use READ_ONCE() to annotate these lockless reads.
The write side is already using atomic ops.
Fixes: b8da51ebb1aa ("tcp: introduce tcp_under_memory_pressure()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Diffstat (limited to 'net/core/sock.c')
0 files changed, 0 insertions, 0 deletions