[PATCH v2 nf-next 0/4] netfilter: nft_set_pipapo: speed up bulk element insertions

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v2: addressed comments from Stefano, see patches for details.

Bulk insertions into pipapo set type take a very long time, each new
element allocates space for elem+1 elements, then copies all existing
elements and appends the new element.

Alloc extra slack space to reduce the realloc overhead to speed this up.

While at it, shrink a few data structures, in may cases a much smaller
type can be used.

Florian Westphal (4):
  netfilter: nft_set_pipapo: constify lookup fn args where possible
  netfilter: nft_set_pipapo: do not rely on ZERO_SIZE_PTR
  netfilter: nft_set_pipapo: shrink data structures
  netfilter: nft_set_pipapo: speed up bulk element insertions

 net/netfilter/nft_set_pipapo.c      | 178 ++++++++++++++++++++--------
 net/netfilter/nft_set_pipapo.h      |  37 +++---
 net/netfilter/nft_set_pipapo_avx2.c |  59 +++++----
 3 files changed, 179 insertions(+), 95 deletions(-)


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