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(parent: c47d36b) | patch
netfilter: x_tables: Add note about how to free percpu counters
authorBen Hutchings <ben.hutchings@codethink.co.uk>
Thu, 29 Mar 2018 14:12:41 +0000 (15:12 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 30 Mar 2018 09:44:27 +0000 (11:44 +0200)
commit9ba5c404bf1d6284f0269411b33394362b7ff405
tree2fff9032feace0c2ac68193dba5b61deede9b8c4tree | snapshot
parentc47d36b3855d804b2e282f9b4eecbbd19b5453f9commit | diff
netfilter: x_tables: Add note about how to free percpu counters

Due to the way percpu counters are allocated and freed in blocks,
it is not safe to free counters individually.  Currently all callers
do the right thing, but let's note this restriction.

Fixes: ae0ac0ed6fcf ("netfilter: x_tables: pack percpu counter allocations")
Signed-off-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/x_tables.c diff | blob | history
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