Author: kib
Date: Sun Feb 8 19:41:08 2009
New Revision: 188320
URL: http://svn.freebsd.org/changeset/base/188320
Log:
Do not leak the MAP_ENTRY_IN_TRANSITION flag when copying map entry
on fork. Otherwise, copied entry cannot be removed in the child map.
Reviewed by: tegge
MFC after: 2 weeks
Modified:
head/sys/vm/vm_map.c
Modified: head/sys/vm/vm_map.c
==============================================================================
--- head/sys/vm/vm_map.c Sun Feb 8 19:37:01 2009 (r188319)
+++ head/sys/vm/vm_map.c Sun Feb 8 19:41:08 2009 (r188320)
@@ -2738,7 +2738,8 @@ vmspace_fork(struct vmspace *vm1)
*/
new_entry = vm_map_entry_create(new_map);
*new_entry = *old_entry;
- new_entry->eflags &= ~MAP_ENTRY_USER_WIRED;
+ new_entry->eflags &= ~(MAP_ENTRY_USER_WIRED |
+ MAP_ENTRY_IN_TRANSITION);
new_entry->wired_count = 0;
/*
@@ -2764,7 +2765,8 @@ vmspace_fork(struct vmspace *vm1)
*/
new_entry = vm_map_entry_create(new_map);
*new_entry = *old_entry;
- new_entry->eflags &= ~MAP_ENTRY_USER_WIRED;
+ new_entry->eflags &= ~(MAP_ENTRY_USER_WIRED |
+ MAP_ENTRY_IN_TRANSITION);
new_entry->wired_count = 0;
new_entry->object.vm_object = NULL;
vm_map_entry_link(new_map, new_map->header.prev,
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