diff --git a/man5/proc.5 b/man5/proc.5
index aa8171ecd..0d069e924 100644
--- a/man5/proc.5
+++ b/man5/proc.5
@@ -3539,6 +3539,13 @@ Amount of memory consumed in
 .BR tmpfs (5)
 filesystems.
 .TP
+.IR KReclaimable " %lu (since Linux 4.20)"
+Kernel allocations that the kernel will attempt to reclaim
+under memory pressure.
+Includes
+.I SReclaimable
+(below), and other direct allocations with a shrinker.
+.TP
 .IR Slab " %lu"
 In-kernel data structures cache.
 (See