Defined in 1 files as a macro:

• include/linux/once.h, line 55 (as a macro)

Referenced in 5 files:

• fs/crypto/keyring.c, line 703
• include/linux/net.h, line 286
• net/netfilter/nf_conntrack_core.c, line 196
• net/netfilter/nf_conntrack_expect.c, line 88
• net/netfilter/nf_nat_core.c, line 157