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Show First 20 Lines • Show All 4,907 Lines • ▼ Show 20 Lines	nfsm_add_ext_pgs(struct mbuf m, int maxextsiz, int bextpg)
struct mbuf *mp;		struct mbuf *mp;
vm_page_t pg;		vm_page_t pg;

if ((m->m_epg_npgs + 1) * PAGE_SIZE > maxextsiz) {		if ((m->m_epg_npgs + 1) * PAGE_SIZE > maxextsiz) {
mp = mb_alloc_ext_plus_pages(PAGE_SIZE, M_WAITOK);		mp = mb_alloc_ext_plus_pages(PAGE_SIZE, M_WAITOK);
*bextpg = 0;		*bextpg = 0;
m->m_next = mp;		m->m_next = mp;
} else {		} else {
do {		pg = vm_page_alloc_noobj(VM_ALLOC_WAITOK \| VM_ALLOC_NODUMP \|
pg = vm_page_alloc(NULL, 0, VM_ALLOC_NORMAL \|
VM_ALLOC_NOOBJ \| VM_ALLOC_NODUMP \|
VM_ALLOC_WIRED);		VM_ALLOC_WIRED);
if (pg == NULL)
vm_wait(NULL);
} while (pg == NULL);
m->m_epg_pa[m->m_epg_npgs] = VM_PAGE_TO_PHYS(pg);		m->m_epg_pa[m->m_epg_npgs] = VM_PAGE_TO_PHYS(pg);
*bextpg = m->m_epg_npgs;		*bextpg = m->m_epg_npgs;
m->m_epg_npgs++;		m->m_epg_npgs++;
m->m_epg_last_len = 0;		m->m_epg_last_len = 0;
mp = m;		mp = m;
}		}
return (mp);		return (mp);
}		}