D47181.id145119.diff
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	Index: sys/vm/vm_reserv.c
	===================================================================
	--- sys/vm/vm_reserv.c
	+++ sys/vm/vm_reserv.c
	@@ -616,6 +616,35 @@
	vm_reserv_partpopq_update(rv);
	}

	+/*
	+ * Populates the given reservation's popmap from ['start', 'end')
	+ * and increases its population count. Moves the reservation
	+ * to the tail of the partially populated reservation queue.
	+ */
	+static void
	+vm_reserv_populate_range(vm_reserv_t rv, int start, int end)
	+{
	+
	+ vm_reserv_assert_locked(rv);
	+ CTR5(KTR_VM, "%s: rv %p object %p popcnt %d inpartpop %d",
	+ __FUNCTION__, rv, rv->object, rv->popcnt, rv->inpartpopq);
	+ vm_reserv_populate_check(rv);
	+ KASSERT(start >= 0 && start < end,
	+ ("%s: invalid range %d, %d",
	+ __func__, start, end));
	+ KASSERT(end <= VM_LEVEL_0_NPAGES,
	+ ("%s: end index is out of range: %d",
	+ __func__, end));
	+
	+ bit_nset(rv->popmap, start, end - 1);
	+#ifdef VM_SUBLEVEL_0_NPAGES
	+ if (vm_reserv_is_sublevel_full(rv, end - 1))
	+ rv->pages[rounddown2(end - 1, VM_SUBLEVEL_0_NPAGES)].psind = 1;
	+#endif
	+ rv->popcnt += end - start;
	+ vm_reserv_partpopq_update(rv);
	+}
	+
	/*
	* Allocates a contiguous set of physical pages of the given size "npages"
	* from existing or newly created reservations. All of the physical pages