arena_mcs_spinlock
static inline struct arena_mcs_spinlock __arena *decode_tail(u32 tail)
struct arena_mcs_spinlock __arena *grab_mcs_node(struct arena_mcs_spinlock __arena *base, int idx)
struct arena_mcs_spinlock __arena *prev, *next, *node0, *node;
struct arena_mcs_spinlock __arena *next;
struct arena_mcs_spinlock mcs;