This series further reduces size of the hook arrays by only resevering space
for the hooks that are implemented/supported (e.g., arp only supports 3 different
hook points as it lacks PRE/POST_ROUTING).
Furthermore, add #ifdef guard to not declare arp/bridge/decnet hooks unless
they are needed.
At least Fedora has CONFIG_DECNET=n so this even reduces size for some
distro kernels.
I ran a few randconfig builds last night and it did not catch any
build errors.
Florian Westphal (3):
netfilter: reduce hook array sizes to what is needed
netfilter: don't allocate space for decnet hooks unless needed
netfilter: don't allocate space for arp/bridge hooks unless needed
include/linux/netfilter.h | 6 ++++++
include/net/netns/netfilter.h | 19 ++++++++++++++-----
net/Kconfig | 1 +
net/bridge/netfilter/Kconfig | 2 ++
net/ipv4/netfilter/Kconfig | 2 ++
net/netfilter/Kconfig | 6 ++++++
net/netfilter/core.c | 22 ++++++++++++++++++++++
net/netfilter/nf_queue.c | 2 ++
8 files changed, 55 insertions(+), 5 deletions(-)
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