netfilter: nft_set_pipapo: add helper to release pcpu scratch area
[ Upstream commit 47b1c03c ] After next patch simple kfree() is not enough anymore, so add a helper for it. Reviewed-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Stable-dep-of: 5a8cdf6f ("netfilter: nft_set_pipapo: remove scratch_aligned pointer") Signed-off-by: Sasha Levin <sashal@kernel.org>
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