netfilter: x_tables: align per cpu xt_counter

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Let's force a 16 bytes alignment on xt_counter percpu allocations,
so that bytes and packets sit in same cache line.

xt_counter being exported to user space, we cannot add __align(16) on
the structure itself.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

...

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Eric Dumazet 2015-06-15 18:10:13 -07:00 • committed by Pablo Neira Ayuso

parent 01555e74bd

commit a1a56aaa07

1 changed files with 4 additions and 2 deletions

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include/linux/netfilter/x_tables.h

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