taglinefilesource code
PTRS_PER_PGD30include/asm-alpha/pgtable.h#define PTRS_PER_PGD  ((1UL << (PAGE_SHIFT-3))-1)
PTRS_PER_PGD30include/asm-i386/pgtable.h#define PTRS_PER_PGD  1024
PTRS_PER_PGD28include/asm-sparc/pgtable.h#define PTRS_PER_PGD    1024