BITS_PER_PAGE_MASK  119 kernel/pid.c   	int offset = nr & BITS_PER_PAGE_MASK;
BITS_PER_PAGE_MASK  133 kernel/pid.c   	offset = pid & BITS_PER_PAGE_MASK;
BITS_PER_PAGE_MASK  169 kernel/pid.c   					    !((last+1) & BITS_PER_PAGE_MASK)));
BITS_PER_PAGE_MASK  190 kernel/pid.c   	offset = (last + 1) & BITS_PER_PAGE_MASK;