From: Liam R. Howlett <Liam.Howlett@oracle.com>
Date: Wed, 24 Sep 2025 20:03:22 +0000 (-0400)
Subject: it is unlikely to overwrite the whole tree
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ceef4fbf90f9ca02c3c5b57a9a4ad7038f857910;p=users%2Fjedix%2Flinux-maple.git

it is unlikely to overwrite the whole tree

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

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 7c6cd898dd43..75a862f90b7d 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -3422,7 +3422,7 @@ static void mas_wr_spanning_store(struct ma_wr_state *wr_mas)
 	}
 
 	/* expanding NULLs may make this cover the entire range */
-	if (!mas->index && r_mas.last == ULONG_MAX) {
+	if (unlikely(!mas->index && r_mas.last == ULONG_MAX)) {
 		mas_set_range(mas, 0, ULONG_MAX);
 		return mas_new_root(mas, wr_mas->entry);
 	}