mips_trunc_page
kernstart = (vaddr_t) mips_trunc_page(kernel_text) - 2 * NBPG;
vaddr_t start = mips_trunc_page(bsh);
paddr_t start = bst->bs_pbase + mips_trunc_page(offset);
mips_page_physload(mips_trunc_page(kernel_text), mips_round_page(end),
pa = mips_trunc_page(t->base);
const vaddr_t sva = mips_trunc_page(bpa);
(pmap_is_page_ro_p(pmap_kernel(), mips_trunc_page(va), (pte)))
vaddr_t uva = mips_trunc_page(bp->b_data);
kva = mips_trunc_page(bp->b_data);
start = mips_trunc_page(addr);