svn commit: r316838 - stable/10/sys/vm

[Andriy Gapon]

Author: avg
Date: Fri Apr 14 14:39:58 2017
New Revision: 316838
URL: https://svnweb.freebsd.org/changeset/base/316838

Log:
  MFC r286583: Avoid sign extension of value passed to kva_alloc from uma_zone_reserve_kva
  
  On behalf of:	zbb

Modified:
  stable/10/sys/vm/uma_core.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/vm/uma_core.c
==============================================================================
--- stable/10/sys/vm/uma_core.c	Fri Apr 14 14:38:27 2017	(r316837)
+++ stable/10/sys/vm/uma_core.c	Fri Apr 14 14:39:58 2017	(r316838)
@@ -3109,7 +3109,7 @@ uma_zone_reserve_kva(uma_zone_t zone, in
 {
 	uma_keg_t keg;
 	vm_offset_t kva;
-	int pages;
+	u_int pages;
 
 	keg = zone_first_keg(zone);
 	if (keg == NULL)
@@ -3124,7 +3124,7 @@ uma_zone_reserve_kva(uma_zone_t zone, in
 #else
 	if (1) {
 #endif
-		kva = kva_alloc(pages * UMA_SLAB_SIZE);
+		kva = kva_alloc((vm_size_t)pages * UMA_SLAB_SIZE);
 		if (kva == 0)
 			return (0);
 	} else