diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 517da26d9a2d..6185eb67df94 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -3507,6 +3507,14 @@ sub process {
 			     "unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html\n" . $herecurr);
 		}
 
+# alloc style
+# p = alloc(sizeof(struct foo), ...) should be p = alloc(sizeof(*p), ...)
+		if ($^V && $^V ge 5.10.0 &&
+		    $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*([kv][mz]alloc(?:_node)?)\s*\(\s*(sizeof\s*\(\s*struct\s+$Lval\s*\))/) {
+			CHK("ALLOC_SIZEOF_STRUCT",
+			    "Prefer $3(sizeof(*$1)...) over $3($4...)\n" . $herecurr);
+		}
+
 # check for krealloc arg reuse
 		if ($^V && $^V ge 5.10.0 &&
 		    $line =~ /\b($Lval)\s*\=\s*(?:$balanced_parens)?\s*krealloc\s*\(\s*\1\s*,/) {