Defined in 5 files as a macro:
- arch/alpha/include/asm/dma.h, line 146 (as a macro)
- arch/mips/include/asm/dma.h, line 115 (as a macro)
- arch/parisc/include/asm/dma.h, line 62 (as a macro)
- arch/powerpc/include/asm/dma.h, line 105 (as a macro)
- arch/x86/include/asm/dma.h, line 103 (as a macro)