net: rps: annotate data-races around (struct sd_flow_limit)->count

softnet_seq_show() can read fl->count while another cpu
updates this field from skb_flow_limit().

Make this field an 'unsigned int', as its only consumer
only deals with 32 bit.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20250407163602.170356-3-edumazet@google.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>