Author: alc
Date: Wed Jun 10 05:17:14 2015
New Revision: 284207
URL: https://svnweb.freebsd.org/changeset/base/284207
Log:
Correct a type error in kmem_unback(). Previously, kmem_unback() did not
correctly handle deallocation requests of two or more gigabytes in size.
Eventually, this would lead to a panic elsewhere in the kernel, such as
"vm_radix_insert: key <vm_pindex_t> is already present".
Reported by: Ilias Marinos
MFC after: 1 week
Modified:
head/sys/vm/vm_kern.c
Modified: head/sys/vm/vm_kern.c
==============================================================================
--- head/sys/vm/vm_kern.c Wed Jun 10 04:57:09 2015 (r284206)
+++ head/sys/vm/vm_kern.c Wed Jun 10 05:17:14 2015 (r284207)
@@ -391,8 +391,7 @@ void
kmem_unback(vm_object_t object, vm_offset_t addr, vm_size_t size)
{
vm_page_t m;
- vm_offset_t offset;
- int i;
+ vm_offset_t i, offset;
KASSERT(object == kmem_object || object == kernel_object,
("kmem_unback: only supports kernel objects."));
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