tcp: adjust rcv_ssthresh according to sk_reserved_mem

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When user sets SO_RESERVE_MEM socket option, in order to utilize the
reserved memory when in memory pressure state, we adjust rcv_ssthresh
according to the available reserved memory for the socket, instead of
using 4 * advmss always.

Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Wei Wang 2021-09-29 10:25:13 -07:00 • committed by David S. Miller

parent ca057051cf

commit 053f368412

3 changed files with 22 additions and 4 deletions

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11

include/net/tcp.h

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