From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Mon, 11 Jan 2021 16:58:24 +0000 (-0500)
Subject: maple_tree: unlikely() optimize mas_range_load on MAPLE_NODE_SLOT
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=d91fb09b3f9e3e3c5aaa13dd4656ceadf16d471f;p=users%2Fjedix%2Flinux-maple.git

maple_tree: unlikely() optimize mas_range_load on MAPLE_NODE_SLOT

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 6d7f128807d5..ed6c24d200eb 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -4535,7 +4535,7 @@ retry:
 	if (mas_dead_node(mas, index))
 		goto retry;
 
-	if (mas->offset == MAPLE_NODE_SLOTS)
+	if (unlikely(mas->offset == MAPLE_NODE_SLOTS))
 		return NULL; // Not found.
 
 	return mas_get_slot(mas, mas->offset);