diff options
Diffstat (limited to 'sys/uvm/uvm_amap_i.h')
| -rw-r--r-- | sys/uvm/uvm_amap_i.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/uvm/uvm_amap_i.h b/sys/uvm/uvm_amap_i.h index 68cdc428b62..a290527b378 100644 --- a/sys/uvm/uvm_amap_i.h +++ b/sys/uvm/uvm_amap_i.h @@ -1,4 +1,4 @@ -/* $OpenBSD: uvm_amap_i.h,v 1.13 2006/06/21 16:20:05 mickey Exp $ */ +/* $OpenBSD: uvm_amap_i.h,v 1.14 2006/07/13 22:51:26 deraadt Exp $ */ /* $NetBSD: uvm_amap_i.h,v 1.15 2000/11/25 06:27:59 chs Exp $ */ /* @@ -135,9 +135,9 @@ amap_add(aref, offset, anon, replace) if (amap->am_anon[slot] == NULL) panic("amap_add: replacing null anon"); - if (amap->am_anon[slot]->an_page != NULL && + if (amap->am_anon[slot]->u.an_page != NULL && (amap->am_flags & AMAP_SHARED) != 0) { - pmap_page_protect(amap->am_anon[slot]->an_page, + pmap_page_protect(amap->am_anon[slot]->u.an_page, VM_PROT_NONE); /* * XXX: suppose page is supposed to be wired somewhere? @@ -255,7 +255,7 @@ amap_unref(amap, offset, len, all) * if we are the last reference, free the amap and return. */ - if (amap->am_ref-- == 1) { + if (amap->am_ref == 1) { amap_wipeout(amap); /* drops final ref and frees */ UVMHIST_LOG(maphist,"<- done (was last ref)!", 0, 0, 0, 0); return; /* no need to unlock */ @@ -264,6 +264,8 @@ amap_unref(amap, offset, len, all) /* * otherwise just drop the reference count(s) */ + + amap->am_ref--; if (amap->am_ref == 1 && (amap->am_flags & AMAP_SHARED) != 0) amap->am_flags &= ~AMAP_SHARED; /* clear shared flag */ #ifdef UVM_AMAP_PPREF |