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SubjectRe: [PATCH v2] bonding: move IPv6 support into a separate kernel module
From: Jay Vosburgh <>
Date: Wed, 25 Feb 2009 14:10:58 -0800

> I've been fooling with the disable_ipv6 sysctl, and one issue is
> that, at least on the distro I'm testing on (SLES), it's not picked up
> from /etc/sysctl.conf at boot time (presumably because ipv6 isn't loaded
> yet, although I haven't really checked).

Correct, that's the problem.

We could create a blocker bitmap. Two sysctls, "block_af" and
"unblock_af". You write the AF_foo value for the protocol there and
it sets or clears the assosciated bit in the internal blocker bitmap.

Things like sys_socket() et al. key off of this.

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