D47045.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
	@@ -1610,6 +1610,29 @@
	vm_object_set_writeable_dirty(object);
	}

	+/*
	+ * vm_page_insert_batch:
	+ *
	+ * Inserts page array "ma" into the specified object
	+ * starting at offset "pindex".
	+ *
	+ * The object must be locked.
	+ */
	+static __always_inline int
	+vm_page_insert_batch(vm_object_t object, struct pctrie_iter *it,
	+ vm_page_t *ma, vm_pindex_t pindex, int npages)
	+{
	+ int ninserted;
	+
	+ VM_OBJECT_ASSERT_WLOCKED(object);
	+
	+ ninserted = vm_radix_insert_batch(it, ma, pindex, npages);
	+ if (ninserted > 0)
	+ vm_page_insert_radixdone_batch(object, ma, ninserted);
	+
	+ return (ninserted);
	+}
	+
	/*
	* Do the work to remove a page from its object. The caller is responsible for
	* updating the page's fields to reflect this removal.
	diff --git a/sys/vm/vm_radix.h b/sys/vm/vm_radix.h
	--- a/sys/vm/vm_radix.h
	+++ b/sys/vm/vm_radix.h
	@@ -79,6 +79,18 @@
	return (VM_RADIX_PCTRIE_ITER_INSERT(pages, page));
	}

	+/*
	+ * Inserts an array of pages into the trie.
	+ * Panics if any of the keys already exist.
	+ * Returns the number of inserted pages.
	+ */
	+static __inline int
	+vm_radix_insert_batch(struct pctrie_iter it, vm_page_t ma,
	+ vm_pindex_t pindex, int npages)
	+{
	+ return (VM_RADIX_PCTRIE_INSERT_BATCH(it, ma, pindex, npages));
	+}
	+
	/*
	* Insert the page into the vm_radix tree with its pindex as the key. Panic if
	* the pindex already exists. Return zero on success or a non-zero error on