Defined in 2 files as a macro:

• drivers/char/drm/drmP.h, line 192 (as a macro)
• include/linux/mm.h, line 409 (as a macro)

Referenced in 4 files:

• drivers/char/drm/drmP.h, line 191
• drivers/media/video/video-buf.c, line 367
• mm/shmem.c, line 621
• sound/oss/via82cxxx_audio.c, line 1862