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| author | dyson <dyson@FreeBSD.org> | 1995-10-23 03:49:43 +0000 |
|---|---|---|
| committer | dyson <dyson@FreeBSD.org> | 1995-10-23 03:49:43 +0000 |
| commit | eca6c1d9071f4f2d6fd60abc77434cb5c8c704f6 (patch) | |
| tree | a4c5c0e3896279ce0d055bda78065aad34770917 /sys/vm/vm_fault.c | |
| parent | 770c343ca51517e46d159086b34446ef17252027 (diff) | |
| download | FreeBSD-src-eca6c1d9071f4f2d6fd60abc77434cb5c8c704f6.zip FreeBSD-src-eca6c1d9071f4f2d6fd60abc77434cb5c8c704f6.tar.gz | |
First phase of removing the PG_COPYONWRITE flag, and an architectural
cleanup of mapping files.
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index 23e0961..efd63fa 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -66,7 +66,7 @@ * any improvements or extensions that they make and grant Carnegie the * rights to redistribute these changes. * - * $Id: vm_fault.c,v 1.32 1995/09/24 19:47:58 dyson Exp $ + * $Id: vm_fault.c,v 1.33 1995/10/07 19:02:53 davidg Exp $ */ /* @@ -532,7 +532,6 @@ readrest: object->paging_in_progress++; } else { prot &= ~VM_PROT_WRITE; - m->flags |= PG_COPYONWRITE; } } @@ -590,19 +589,12 @@ readrest: * write-enabled after all. */ prot &= retry_prot; - if (m->flags & PG_COPYONWRITE) - prot &= ~VM_PROT_WRITE; } /* * (the various bits we're fiddling with here are locked by the * object's lock) */ - /* XXX This distorts the meaning of the copy_on_write bit */ - - if (prot & VM_PROT_WRITE) - m->flags &= ~PG_COPYONWRITE; - /* * It's critically important that a wired-down page be faulted only * once in each map for which it is wired. |
