PKMAP_NR           55 include/asm-frv/highmem.h #define PKMAP_NR(virt)	((virt - PKMAP_BASE) >> PAGE_SHIFT)
PKMAP_NR           42 include/asm-mn10300/highmem.h #define PKMAP_NR(virt)  ((virt - PKMAP_BASE) >> PAGE_SHIFT)
PKMAP_NR           57 include/asm-x86/highmem.h #define PKMAP_NR(virt)  ((virt-PKMAP_BASE) >> PAGE_SHIFT)