taglinefilesource code
PAGE_DIR_OFFSET40include/asm-alpha/page.h#define PAGE_DIR_OFFSET(base,address)  ((unsigned long*)((base)+\
PAGE_DIR_OFFSET31include/asm-i386/page.h#define PAGE_DIR_OFFSET(base,address)  ((unsigned long*)((base)+\
PAGE_DIR_OFFSET43include/asm-sparc/page.h#define PAGE_DIR_OFFSET(base, address)   ((void *) 0)