SEGMENT_SIZE
.kp_boundary = SEGMENT_SIZE,
#define SEGMENT_MASK (SEGMENT_SIZE - 1)
struct slb_desc kernel_slb_desc[16 + VM_KERNEL_SPACE_SIZE / SEGMENT_SIZE];
while (HTABMEMSZ > 8 * SEGMENT_SIZE)
va += SEGMENT_SIZE)
va += SEGMENT_SIZE)
*len = SEGMENT_SIZE - (va & SEGMENT_MASK);