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sys/powerpc/booke/pmap_32.c
| Show First 20 Lines • Show All 258 Lines • ▼ Show 20 Lines | if (pbuf == NULL) | ||||
| panic("pte_alloc: couldn't alloc kernel virtual memory"); | panic("pte_alloc: couldn't alloc kernel virtual memory"); | ||||
| ptbl = (pte_t *)pbuf->kva; | ptbl = (pte_t *)pbuf->kva; | ||||
| CTR2(KTR_PMAP, "%s: ptbl kva = %p", __func__, ptbl); | CTR2(KTR_PMAP, "%s: ptbl kva = %p", __func__, ptbl); | ||||
| for (i = 0; i < PTBL_PAGES; i++) { | for (i = 0; i < PTBL_PAGES; i++) { | ||||
| pidx = (PTBL_PAGES * pdir_idx) + i; | pidx = (PTBL_PAGES * pdir_idx) + i; | ||||
| while ((m = vm_page_alloc(NULL, pidx, | while ((m = vm_page_alloc_noobj(VM_ALLOC_WIRED)) == NULL) { | ||||
| VM_ALLOC_NOOBJ | VM_ALLOC_WIRED)) == NULL) { | |||||
| if (nosleep) { | if (nosleep) { | ||||
| ptbl_free_pmap_ptbl(pmap, ptbl); | ptbl_free_pmap_ptbl(pmap, ptbl); | ||||
| for (j = 0; j < i; j++) | for (j = 0; j < i; j++) | ||||
| vm_page_free(mtbl[j]); | vm_page_free(mtbl[j]); | ||||
| vm_wire_sub(i); | vm_wire_sub(i); | ||||
| return (NULL); | return (NULL); | ||||
| } | } | ||||
| PMAP_UNLOCK(pmap); | PMAP_UNLOCK(pmap); | ||||
| rw_wunlock(&pvh_global_lock); | rw_wunlock(&pvh_global_lock); | ||||
| vm_wait(NULL); | vm_wait(NULL); | ||||
| rw_wlock(&pvh_global_lock); | rw_wlock(&pvh_global_lock); | ||||
| PMAP_LOCK(pmap); | PMAP_LOCK(pmap); | ||||
| } | } | ||||
| m->pindex = pidx; | |||||
| mtbl[i] = m; | mtbl[i] = m; | ||||
| } | } | ||||
| /* Map allocated pages into kernel_pmap. */ | /* Map allocated pages into kernel_pmap. */ | ||||
| mmu_booke_qenter((vm_offset_t)ptbl, mtbl, PTBL_PAGES); | mmu_booke_qenter((vm_offset_t)ptbl, mtbl, PTBL_PAGES); | ||||
| /* Zero whole ptbl. */ | /* Zero whole ptbl. */ | ||||
| bzero((caddr_t)ptbl, PTBL_PAGES * PAGE_SIZE); | bzero((caddr_t)ptbl, PTBL_PAGES * PAGE_SIZE); | ||||
| ▲ Show 20 Lines • Show All 714 Lines • Show Last 20 Lines | |||||