svn commit: r251957 - stable/9/sys/kern

[Konstantin Belousov]

Author: kib
Date: Tue Jun 18 19:03:27 2013
New Revision: 251957
URL: http://svnweb.freebsd.org/changeset/base/251957

Log:
  MFC r251285:
  Do not map the shared page COW.

Modified:
  stable/9/sys/kern/kern_exec.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/kern/kern_exec.c
==============================================================================
--- stable/9/sys/kern/kern_exec.c	Tue Jun 18 16:36:21 2013	(r251956)
+++ stable/9/sys/kern/kern_exec.c	Tue Jun 18 19:03:27 2013	(r251957)
@@ -1069,8 +1069,9 @@ exec_new_vmspace(imgp, sv)
 		vm_object_reference(obj);
 		error = vm_map_fixed(map, obj, 0,
 		    sv->sv_shared_page_base, sv->sv_shared_page_len,
-		    VM_PROT_READ | VM_PROT_EXECUTE, VM_PROT_ALL,
-		    MAP_COPY_ON_WRITE | MAP_ACC_NO_CHARGE);
+		    VM_PROT_READ | VM_PROT_EXECUTE,
+		    VM_PROT_READ | VM_PROT_EXECUTE,
+		    MAP_INHERIT_SHARE | MAP_ACC_NO_CHARGE);
 		if (error) {
 			vm_object_deallocate(obj);
 			return (error);