Defined in 3 files as a macro:

• arch/arm64/include/asm/spinlock.h, line 369 (as a macro)
• arch/powerpc/include/asm/barrier.h, line 77 (as a macro)
• include/linux/spinlock.h, line 130 (as a macro)

Referenced in 4 files:

• fs/overlayfs/readdir.c, line 449
• include/linux/mm_types.h, line 552
• include/linux/spinlock.h, line 129
• kernel/sched/core.c
  • line 2020
  • line 3359