D16822.diff
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	Index: head/lib/libvmmapi/vmmapi.c
	===================================================================
	--- head/lib/libvmmapi/vmmapi.c
	+++ head/lib/libvmmapi/vmmapi.c
	@@ -362,7 +362,7 @@
	size_t objsize, len;
	vm_paddr_t gpa;
	char baseaddr, ptr;
	- int error, flags;
	+ int error;

	assert(vms == VM_MMAP_ALL);

	@@ -389,8 +389,7 @@
	* and the adjoining guard regions.
	*/
	len = VM_MMAP_GUARD_SIZE + objsize + VM_MMAP_GUARD_SIZE;
	- flags = MAP_PRIVATE \| MAP_ANON \| MAP_NOCORE \| MAP_ALIGNED_SUPER;
	- ptr = mmap(NULL, len, PROT_NONE, flags, -1, 0);
	+ ptr = mmap(NULL, len, PROT_NONE, MAP_GUARD \| MAP_ALIGNED_SUPER, -1, 0);
	if (ptr == MAP_FAILED)
	return (-1);

	@@ -492,8 +491,8 @@
	* adjoining guard regions.
	*/
	len2 = VM_MMAP_GUARD_SIZE + len + VM_MMAP_GUARD_SIZE;
	- flags = MAP_PRIVATE \| MAP_ANON \| MAP_NOCORE \| MAP_ALIGNED_SUPER;
	- base = mmap(NULL, len2, PROT_NONE, flags, -1, 0);
	+ base = mmap(NULL, len2, PROT_NONE, MAP_GUARD \| MAP_ALIGNED_SUPER, -1,
	+ 0);
	if (base == MAP_FAILED)
	goto done;