D17318.diff
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	Index: head/sys/amd64/amd64/pmap.c
	===================================================================
	--- head/sys/amd64/amd64/pmap.c
	+++ head/sys/amd64/amd64/pmap.c
	@@ -1422,7 +1422,7 @@
	if (ppim->va == 0)
	continue;
	/* Make the direct map consistent */
	- if (ppim->pa < dmaplimit && ppim->pa + ppim->sz < dmaplimit) {
	+ if (ppim->pa < dmaplimit && ppim->pa + ppim->sz <= dmaplimit) {
	(void)pmap_change_attr(PHYS_TO_DMAP(ppim->pa),
	ppim->sz, ppim->mode);
	}
	@@ -7055,7 +7055,7 @@
	* If the specified range of physical addresses fits within
	* the direct map window, use the direct map.
	*/
	- if (pa < dmaplimit && pa + size < dmaplimit) {
	+ if (pa < dmaplimit && pa + size <= dmaplimit) {
	va = PHYS_TO_DMAP(pa);
	if (!pmap_change_attr(va, size, mode))
	return ((void *)(va + offset));