this is already included in 4.4 and later
** Changed in: linux (Ubuntu)
Status: In Progress => Won't Fix
** Changed in: linux (Ubuntu)
Status: Won't Fix => Fix Released
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https://bugs.launchpad.net/bugs/1549332
Title:
xfrm4_gc_thresh should default to INT_MAX
Status in linux package in Ubuntu:
Fix Released
Bug description:
The default xfrm4_gc_thresh (and xfrm6_gc_thresh) value is currently
32k, but in systems with > 16 cpus, this will (eventually) cause
failures when ipsec uses too many dst objects. As xfrm doesn't
actually manage its dst objects, the flowcache does, this parameter
doesn't actually control xfrm dst gc, it only causes failures when
exceeded. Thus is should simply be set to INT_MAX.
Upstream commit that fixes this is
c386578f1cdb4dac230395a951f88027f64346e3
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