FFA_PAGE_SIZE
if (npages != (KVM_FFA_MBOX_NR_PAGES * PAGE_SIZE) / FFA_PAGE_SIZE) {
u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
u64 sz = (u64)range->pg_cnt * FFA_PAGE_SIZE;
rxtx_bufsz / FFA_PAGE_SIZE);
num_pages += sg->length / FFA_PAGE_SIZE;
buf_sz = max_fragsize / FFA_PAGE_SIZE;
constituents->pg_cnt = args->sg->length / FFA_PAGE_SIZE;