diff options
Diffstat (limited to 'sys/i386')
| -rw-r--r-- | sys/i386/i386/pmap.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index b0e43ba..c5f0c8c 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1871,24 +1871,21 @@ pmap_remove_all(vm_page_t m) #if defined(PMAP_DIAGNOSTIC) /* - * XXX this makes pmap_page_protect(NONE) illegal for non-managed - * pages! + * XXX This makes pmap_remove_all() illegal for non-managed pages! */ if (!pmap_initialized || (m->flags & PG_FICTITIOUS)) { - panic("pmap_page_protect: illegal for unmanaged page, va: 0x%x", VM_PAGE_TO_PHYS(m)); + panic("pmap_remove_all: illegal for unmanaged page, va: 0x%x", + VM_PAGE_TO_PHYS(m)); } #endif - + mtx_assert(&vm_page_queue_mtx, MA_OWNED); s = splvm(); while ((pv = TAILQ_FIRST(&m->md.pv_list)) != NULL) { pv->pv_pmap->pm_stats.resident_count--; - pte = pmap_pte_quick(pv->pv_pmap, pv->pv_va); - tpte = atomic_readandclear_int(pte); if (tpte & PG_W) pv->pv_pmap->pm_stats.wired_count--; - if (tpte & PG_A) vm_page_flag_set(m, PG_REFERENCED); @@ -1907,16 +1904,13 @@ pmap_remove_all(vm_page_t m) vm_page_dirty(m); } pmap_invalidate_page(pv->pv_pmap, pv->pv_va); - TAILQ_REMOVE(&pv->pv_pmap->pm_pvlist, pv, pv_plist); TAILQ_REMOVE(&m->md.pv_list, pv, pv_list); m->md.pv_list_count--; pmap_unuse_pt(pv->pv_pmap, pv->pv_va, pv->pv_ptem); free_pv_entry(pv); } - vm_page_flag_clear(m, PG_WRITEABLE); - splx(s); } |
