(_pager_do_write_request): Delete any corresponding anticipation

before starting pageout.

1 files changed, 8 insertions, 0 deletions

diff --git a/libpager/data-return.c b/libpager/data-return.c
index 709f9de2..5d64fe41 100644
--- a/libpager/data-return.c
+++ b/libpager/data-return.c
@@ -45,6 +45,7 @@ _pager_do_write_request (mach_port_t object,
 		    struct lock_list *next;} *lock_list, *ll;
   int wakeup;
   int omitdata = 0;
+  struct anticipation *ant;
   
   p = ports_lookup_port (0, object, _pager_class);
   if (!p)
@@ -86,6 +87,13 @@ _pager_do_write_request (mach_port_t object,
   _pager_block_termination (p);	/* until we are done with the pagemap
 				   when the write completes. */
 
+  ant = _pager_check_anticitpations (p, length, offset);
+  if (ant)
+    {
+      vm_deallocate (mach_task_self (), ant->address, ant->length);
+      free (ant);
+    }
+
   _pager_pagemap_resize (p, offset + length);
 
   pm_entries = &p->pagemap[offset / __vm_page_size];