Defined in 4 files as a macro:
- arch/arm64/include/asm/cmpxchg.h, line 200 (as a macro)
- arch/x86/include/asm/cmpxchg_32.h, line 42 (as a macro)
- arch/x86/include/asm/cmpxchg_32.h, line 96 (as a macro)
- arch/x86/include/asm/cmpxchg_64.h, line 16 (as a macro)