diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 59ccf45..a604b5d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -4557,6 +4557,13 @@
 		     min(global_node_page_state(NR_SLAB_RECLAIMABLE) / 2,
 			 wmark_low);
 
+	/*
+	 * Part of the kernel memory, which can be released under memory
+	 * pressure.
+	 */
+	available += global_node_page_state(NR_INDIRECTLY_RECLAIMABLE_BYTES) >>
+		PAGE_SHIFT;
+
 	if (available < 0)
 		available = 0;
 	return available;