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authorDavid S. Miller <davem@davemloft.net>2021-06-04 14:25:14 -0700
committerDavid S. Miller <davem@davemloft.net>2021-06-04 14:25:14 -0700
commit6fd815bb1ecc5d3cd99a31e0393fba0be517ed04 (patch)
tree6aba382d4a78664064216c7055da777d772568a5 /drivers/net/ppp/bsd_comp.c
parent579028dec182c026b9a85725682f1dfbdc825eaa (diff)
parentbf7b042dc62a31f66d3a41dd4dfc7806f267b307 (diff)
Merge branch 'wireguard-fixes'
Jason A. Donenfeld says: ==================== wireguard fixes for 5.13-rc5 Here are bug fixes to WireGuard for 5.13-rc5: 1-2,6) These are small, trivial tweaks to our test harness. 3) Linus thinks -O3 is still dangerous to enable. The code gen wasn't so much different with -O2 either. 4) We were accidentally calling synchronize_rcu instead of synchronize_net while holding the rtnl_lock, resulting in some rather large stalls that hit production machines. 5) Peer allocation was wasting literally hundreds of megabytes on real world deployments, due to oddly sized large objects not fitting nicely into a kmalloc slab. 7-9) We move from an insanely expensive O(n) algorithm to a fast O(1) algorithm, and cleanup a massive memory leak in the process, in which allowed ips churn would leave danging nodes hanging around without cleanup until the interface was removed. The O(1) algorithm eliminates packet stalls and high latency issues, in addition to bringing operations that took as much as 10 minutes down to less than a second. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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