Defined in 2 files as a macro:

• arch/powerpc/include/asm/barrier.h, line 111 (as a macro)
• include/asm-generic/barrier.h, line 251 (as a macro)

Referenced in 3 files:

• drivers/md/dm-writecache.c, line 558
• drivers/nvdimm/region_devs.c, line 1222
• include/asm-generic/barrier.h, line 250