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author	Eric Dumazet <edumazet@google.com>
	Thu, 30 Apr 2020 17:35:43 +0000 (10:35 -0700)
committer	David S. Miller <davem@davemloft.net>
	Thu, 30 Apr 2020 20:24:01 +0000 (13:24 -0700)
commit	a70437cc09a11771870e9f6bfc0ba1237161daa8
tree	2160cfb6274072fcc4350afbbd5aa7ebf1580a4c	tree
parent	ccd0628fca440268711560a1dbacc727b4f9e214	commit \| diff

tcp: add hrtimer slack to sack compression

Add a sysctl to control hrtimer slack, default of 100 usec.

This gives the opportunity to reduce system overhead,
and help very short RTT flows.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Documentation/networking/ip-sysctl.rst		diff \| blob \| history
include/net/netns/ipv4.h		diff \| blob \| history
net/ipv4/sysctl_net_ipv4.c		diff \| blob \| history
net/ipv4/tcp_input.c		diff \| blob \| history
net/ipv4/tcp_ipv4.c		diff \| blob \| history