Messages in this thread | | | Date | Wed, 1 Nov 2023 09:07:12 +0800 | From | Dust Li <> | Subject | Re: [PATCH net] net/smc: fix documentation of buffer sizes |
| |
On Mon, Oct 30, 2023 at 06:03:43PM +0100, Gerd Bayer wrote: >Since commit 833bac7ec392 ("net/smc: Fix setsockopt and sysctl to >specify same buffer size again") the SMC protocol uses its own >default values for the smc.rmem and smc.wmem sysctl variables >which are no longer derived from the TCP IPv4 buffer sizes. > >Fixup the kernel documentation to reflect this change, too. > >Fixes: 833bac7ec392 ("net/smc: Fix setsockopt and sysctl to specify same buffer size again") >Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com> >Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Reviewed-by: Dust Li <dust.li@linux.alibaba.com>
>--- > Documentation/networking/smc-sysctl.rst | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) > >diff --git a/Documentation/networking/smc-sysctl.rst b/Documentation/networking/smc-sysctl.rst >index 6d8acdbe9be1..769149d98773 100644 >--- a/Documentation/networking/smc-sysctl.rst >+++ b/Documentation/networking/smc-sysctl.rst >@@ -44,18 +44,16 @@ smcr_testlink_time - INTEGER > > wmem - INTEGER > Initial size of send buffer used by SMC sockets. >- The default value inherits from net.ipv4.tcp_wmem[1]. > > The minimum value is 16KiB and there is no hard limit for max value, but > only allowed 512KiB for SMC-R and 1MiB for SMC-D. > >- Default: 16K >+ Default: 64KiB > > rmem - INTEGER > Initial size of receive buffer (RMB) used by SMC sockets. >- The default value inherits from net.ipv4.tcp_rmem[1]. > > The minimum value is 16KiB and there is no hard limit for max value, but > only allowed 512KiB for SMC-R and 1MiB for SMC-D. > >- Default: 128K >+ Default: 64KiB >-- >2.41.0
| |