I missed a case of the page table page dirty-bit fix.

This commit is contained in:
John Dyson 1996-06-05 06:36:21 +00:00
parent 5ecb54ff66
commit 3ccd871cad
2 changed files with 8 additions and 4 deletions

View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.98 1996/06/02 22:28:53 dyson Exp $
* $Id: pmap.c,v 1.99 1996/06/05 03:31:26 dyson Exp $
*/
/*
@ -1026,8 +1026,10 @@ pmap_remove_pte(pmap, ptq, va)
printf("pmap_remove: modified page not writable: va: 0x%lx, pte: 0x%lx\n", va, (int) oldpte);
}
#endif
if (va < clean_sva || va >= clean_eva) {
PHYS_TO_VM_PAGE(oldpte)->dirty = VM_PAGE_BITS_ALL;
if ((va < UPT_MIN_ADDRESS) || (va >= UPT_MAX_ADDRESS))
PHYS_TO_VM_PAGE(oldpte)->dirty = VM_PAGE_BITS_ALL;
}
}
ppv = pa_to_pvh(oldpte);

View File

@ -39,7 +39,7 @@
* SUCH DAMAGE.
*
* from: @(#)pmap.c 7.7 (Berkeley) 5/12/91
* $Id: pmap.c,v 1.98 1996/06/02 22:28:53 dyson Exp $
* $Id: pmap.c,v 1.99 1996/06/05 03:31:26 dyson Exp $
*/
/*
@ -1026,8 +1026,10 @@ pmap_remove_pte(pmap, ptq, va)
printf("pmap_remove: modified page not writable: va: 0x%lx, pte: 0x%lx\n", va, (int) oldpte);
}
#endif
if (va < clean_sva || va >= clean_eva) {
PHYS_TO_VM_PAGE(oldpte)->dirty = VM_PAGE_BITS_ALL;
if ((va < UPT_MIN_ADDRESS) || (va >= UPT_MAX_ADDRESS))
PHYS_TO_VM_PAGE(oldpte)->dirty = VM_PAGE_BITS_ALL;
}
}
ppv = pa_to_pvh(oldpte);