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rhashtable: Free bucket tables asynchronously after rehash
authorHerbert Xu <herbert@gondor.apana.org.au>
Sat, 14 Mar 2015 02:57:23 +0000 (13:57 +1100)
committerDavid S. Miller <davem@davemloft.net>
Sun, 15 Mar 2015 05:35:34 +0000 (01:35 -0400)
commit9d901bc05153bbf33b5da2cd6266865e531f0545
tree57518695b14d3f67e66c6e25ab2878f04158bf25tree | snapshot
parent5269b53da4d432b0fbf755bd423c807bf6bd4aa0commit | diff
rhashtable: Free bucket tables asynchronously after rehash

There is in fact no need to wait for an RCU grace period in the
rehash function, since all insertions are guaranteed to go into
the new table through spin locks.

This patch uses call_rcu to free the old/rehashed table at our
leisure.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/rhashtable.h diff | blob | history
lib/rhashtable.c diff | blob | history
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