diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-09-28 08:49:32 +0000 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-09-30 15:45:52 +0200 |
| commit | 9c94ae6bb0b2895024b6e29fcc1cbec968b4776a (patch) | |
| tree | efd18d0b0c67ebbe5785cddf16d14a00a2f48463 /include/linux/netdevice.h | |
| parent | 2c0592bd5cadfcd5337eafa07e3145a097cfd880 (diff) | |
net: make softnet_data.defer_count an atomic
This is preparation work to remove the softnet_data.defer_lock,
as it is contended on hosts with large number of cores.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250928084934.3266948-2-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1b85454116f6..27e3fa69253f 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3538,7 +3538,7 @@ struct softnet_data { /* Another possibly contended cache line */ spinlock_t defer_lock ____cacheline_aligned_in_smp; - int defer_count; + atomic_t defer_count; int defer_ipi_scheduled; struct sk_buff *defer_list; call_single_data_t defer_csd; |