Re: [PATCH 1/2] Update description of net.sctp.sctp_rmem and net.sctp.sctp_wmem tunables

Max Matveev
2011-07-05T02:00:27Z

On Mon, 4 Jul 2011 10:54:54 -0400, Neil Horman wrote:

nhorman> On Mon, Jun 20, 2011 at 06:08:10PM +1000, Max Matveev wrote:

>> sctp_rmem - vector of 3 INTEGERs: min, default, max
>> - See tcp_rmem for a description.
>> + Only the first value ("min") is used, "default" and "max" are
>> + ignored and may be removed in the future versions.
>> +

nhorman> Its accurate to say that only the first value is usd
nhorman> currently, but because of the way this sysctl is contructed
nhorman> (its used by the sysctl_rmem pointer in the sctp_prot
nhorman> struct, which expects an array of three integers in the
nhorman> commong __sk_mem_schedule function), we wont' be removing
nhorman> the other two values.

Technically it can be just a single integer - UDP does use it
that way but I'm not going to argue, v2 of the patch removed
that bit.

max