svn commit: r349741 - head/sys/vm

[Doug Moore]

Author: dougm
Date: Thu Jul  4 18:28:49 2019
New Revision: 349741
URL: https://svnweb.freebsd.org/changeset/base/349741

Log:
  Drop a temp variable from vm_map_insert, with no effect on the
  resulting amd64 machine code.
  
  Reviewed by: alc
  Approved by: kib, markj (mentors, implicit)
  Differential Revision: https://reviews.freebsd.org/D20849

Modified:
  head/sys/vm/vm_map.c

Modified: head/sys/vm/vm_map.c
==============================================================================
--- head/sys/vm/vm_map.c	Thu Jul  4 18:21:01 2019	(r349740)
+++ head/sys/vm/vm_map.c	Thu Jul  4 18:28:49 2019	(r349741)
@@ -1422,7 +1422,7 @@ int
 vm_map_insert(vm_map_t map, vm_object_t object, vm_ooffset_t offset,
     vm_offset_t start, vm_offset_t end, vm_prot_t prot, vm_prot_t max, int cow)
 {
-	vm_map_entry_t new_entry, prev_entry, temp_entry;
+	vm_map_entry_t new_entry, prev_entry;
 	struct ucred *cred;
 	vm_eflags_t protoeflags;
 	vm_inherit_t inheritance;
@@ -1447,10 +1447,8 @@ vm_map_insert(vm_map_t map, vm_object_t object, vm_oof
 	 * Find the entry prior to the proposed starting address; if it's part
 	 * of an existing entry, this range is bogus.
 	 */
-	if (vm_map_lookup_entry(map, start, &temp_entry))
+	if (vm_map_lookup_entry(map, start, &prev_entry))
 		return (KERN_NO_SPACE);
-
-	prev_entry = temp_entry;
 
 	/*
 	 * Assert that the next entry doesn't overlap the end point.