Re: net.ipv4.tcp_rmem does override net.core.rmem_max?

["Niklas Hambüchen" <mail-7wQd5C9ZzNw@public.gmane.org>]

Or, there is the following interpretation:

  "This  value  does  not  override   the   global
  net.core.rmem_max."

might mean

  "This value does not override the global
  net.core.rmem_max to the extent that it does
  not define the upper users can set with SO_RCVBUF.
  It does, however, override net.core.rmem_max if
  SO_RCVBUF is not used."

This would be consistent with my findings.

I'm not 100% confident about whether this is what the code does though,
see my comment
http://stackoverflow.com/questions/31546835/tcp-receiving-window-size-higher-than-net-core-rmem-max/35438236#comment58576526_35438236
for details on that.

On 16/02/16 18:05, Niklas Hambüchen wrote:
> An answer to the question I just posted,
> 
>   http://stackoverflow.com/a/35438236/263061
> 
> suggests that neither is the case, but in fact the kernel takes the
> maximum of the two values.
> 
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