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Date: Wed, 9 Oct 2019 21:50:10 -0700 From: Jakub Kicinski <jakub.kicinski@...ronome.com> To: Eric Dumazet <edumazet@...gle.com> Cc: "David S . Miller" <davem@...emloft.net>, netdev <netdev@...r.kernel.org>, Eric Dumazet <eric.dumazet@...il.com> Subject: Re: [PATCH net] tcp: annotate lockless access to tcp_memory_pressure On Wed, 9 Oct 2019 15:10:15 -0700, Eric Dumazet wrote: > 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@...gle.com> Applied, thanks!
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