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Cast nkmempages to vsize_t before shifting to avoid overflow. Requested

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by soda.
XXX: should be pulled up to 2.0.
This commit is contained in:
christos 2005-01-14 17:03:58 +00:00
parent 36a24a9003
commit 201de1bdd0
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_malloc.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_malloc.c,v 1.94 2005/01/13 11:49:09 yamt Exp $ */ /* $NetBSD: kern_malloc.c,v 1.95 2005/01/14 17:03:58 christos Exp $ */
/* /*
* Copyright (c) 1987, 1991, 1993 * Copyright (c) 1987, 1991, 1993
@ -66,7 +66,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_malloc.c,v 1.94 2005/01/13 11:49:09 yamt Exp $"); __KERNEL_RCSID(0, "$NetBSD: kern_malloc.c,v 1.95 2005/01/14 17:03:58 christos Exp $");
#include "opt_lockdebug.h" #include "opt_lockdebug.h"
@ -846,7 +846,7 @@ kmeminit(void)
(vsize_t)(nkmempages * sizeof(struct kmemusage))); (vsize_t)(nkmempages * sizeof(struct kmemusage)));
kmb = 0; kmb = 0;
kmem_map = uvm_km_suballoc(kernel_map, &kmb, kmem_map = uvm_km_suballoc(kernel_map, &kmb,
&kml, (vsize_t)(nkmempages << PAGE_SHIFT), &kml, ((vsize_t)nkmempages << PAGE_SHIFT),
VM_MAP_INTRSAFE, FALSE, &kmem_map_store); VM_MAP_INTRSAFE, FALSE, &kmem_map_store);
uvm_km_vacache_init(kmem_map, "kvakmem", 0); uvm_km_vacache_init(kmem_map, "kvakmem", 0);
kmembase = (char *)kmb; kmembase = (char *)kmb;