On Tue, 2016-06-21 at 11:24 -0400, Jason Baron wrote:
> in tcp_check_space() with something like:
>
> sk->sk_flags &= ~((1UL << SOCK_QUEUE_SHRUNK) | (1UL << SOCK_SHORT_WRITE));
>
> Since we are already writing to sk_flags there this should have very
> minimal overhead. And then remove the clear
On 06/20/2016 06:29 PM, Eric Dumazet wrote:
> On Mon, 2016-06-20 at 17:23 -0400, Jason Baron wrote:
>> From: Jason Baron
>>
>> When SO_SNDBUF is set and we are under tcp memory pressure, the effective
>> write buffer space can be much lower than what was set using SO_SNDBUF. For
>> example, we m
On Mon, 2016-06-20 at 17:23 -0400, Jason Baron wrote:
> From: Jason Baron
>
> When SO_SNDBUF is set and we are under tcp memory pressure, the effective
> write buffer space can be much lower than what was set using SO_SNDBUF. For
> example, we may have set the buffer to 100kb, but we may only be
From: Jason Baron
When SO_SNDBUF is set and we are under tcp memory pressure, the effective
write buffer space can be much lower than what was set using SO_SNDBUF. For
example, we may have set the buffer to 100kb, but we may only be able to
write 10kb. In this scenario poll()/select()/epoll(), ar
