D47049.diff
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	diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
	--- a/sys/vm/vm_page.c
	+++ b/sys/vm/vm_page.c
	@@ -175,6 +175,8 @@
	vm_pindex_t pindex, vm_page_t mpred);
	static void vm_page_insert_radixdone(vm_page_t m, vm_object_t object,
	vm_page_t mpred);
	+static void vm_page_insert_radixdone_batch(vm_object_t object,
	+ vm_page_t *ma, int npages);
	static void vm_page_mvqueue(vm_page_t m, const uint8_t queue,
	const uint16_t nflag);
	static int vm_page_reclaim_run(int req_class, int domain, u_long npages,
	@@ -1610,6 +1612,51 @@
	vm_object_set_writeable_dirty(object);
	}

	+/*
	+ * vm_page_insert_radixdone_batch:
	+ *
	+ * Complete page array insertion into the specified object after the
	+ * radix trie hooking.
	+ *
	+ * The object must be locked.
	+ */
	+static void
	+vm_page_insert_radixdone_batch(vm_object_t object, vm_page_t *ma, int npages)
	+{
	+ int i;
	+ vm_page_t m;
	+ bool dirty;
	+
	+ VM_OBJECT_ASSERT_WLOCKED(object);
	+
	+ /*
	+ * Hold the vnode until the last page is released.
	+ */
	+ if (object->resident_page_count == 0 && object->type == OBJT_VNODE)
	+ vhold(object->handle);
	+
	+ /*
	+ * Show that the object has 'npages' more resident pages.
	+ */
	+ object->resident_page_count += npages;
	+ dirty = false;
	+ for (i = 0; i < npages; i++) {
	+ m = ma[i];
	+ vm_pager_page_inserted(object, m);
	+ if (pmap_page_is_write_mapped(m)) {
	+ dirty = true;
	+ break;
	+ }
	+ }
	+
	+ /*
	+ * Since we are inserting new and possibly dirty pages,
	+ * update the object's generation count.
	+ */
	+ if (dirty)
	+ vm_object_set_writeable_dirty(object);
	+}
	+
	/*
	* vm_page_insert_batch:
	*