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[net-next,0/5] net: use less storage for most sysctl

Message ID 20210325180817.840042-1-eric.dumazet@gmail.com (mailing list archive)
Headers show
Series net: use less storage for most sysctl | expand

Message

Eric Dumazet March 25, 2021, 6:08 p.m. UTC
From: Eric Dumazet <edumazet@google.com>

This patch series adds a new sysctl type, to allow using u8 instead of
"int" or "long int" types.

Then we convert mosts sysctls found in struct netns_ipv4
to shrink it by three cache lines.

Eric Dumazet (5):
  sysctl: add proc_dou8vec_minmax()
  ipv4: shrink netns_ipv4 with sysctl conversions
  ipv4: convert ip_forward_update_priority sysctl to u8
  inet: convert tcp_early_demux and udp_early_demux to u8
  tcp: convert elligible sysctls to u8

 fs/proc/proc_sysctl.c      |   6 ++
 include/linux/sysctl.h     |   2 +
 include/net/netns/ipv4.h   | 106 +++++++++----------
 kernel/sysctl.c            |  65 ++++++++++++
 net/ipv4/sysctl_net_ipv4.c | 212 ++++++++++++++++++-------------------
 5 files changed, 232 insertions(+), 159 deletions(-)

Comments

patchwork-bot+netdevbpf@kernel.org March 26, 2021, 9:50 p.m. UTC | #1
Hello:

This series was applied to netdev/net-next.git (refs/heads/master):

On Thu, 25 Mar 2021 11:08:12 -0700 you wrote:
> From: Eric Dumazet <edumazet@google.com>
> 
> This patch series adds a new sysctl type, to allow using u8 instead of
> "int" or "long int" types.
> 
> Then we convert mosts sysctls found in struct netns_ipv4
> to shrink it by three cache lines.
> 
> [...]

Here is the summary with links:
  - [net-next,1/5] sysctl: add proc_dou8vec_minmax()
    https://git.kernel.org/netdev/net-next/c/cb9444130662
  - [net-next,2/5] ipv4: shrink netns_ipv4 with sysctl conversions
    https://git.kernel.org/netdev/net-next/c/4b6bbf17d4e1
  - [net-next,3/5] ipv4: convert ip_forward_update_priority sysctl to u8
    https://git.kernel.org/netdev/net-next/c/1c69dedc8fa7
  - [net-next,4/5] inet: convert tcp_early_demux and udp_early_demux to u8
    https://git.kernel.org/netdev/net-next/c/2932bcda070d
  - [net-next,5/5] tcp: convert elligible sysctls to u8
    https://git.kernel.org/netdev/net-next/c/4ecc1baf362c

You are awesome, thank you!
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