From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Thu, 12 Dec 2024 14:13:12 +0000 (-0500)
Subject: slub: Reverse barn_get_full_or_empty_sheaf() ordering
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=2e062c7bce0d975d1c2ec9251d7a48f74eff8009;p=users%2Fjedix%2Flinux-maple.git

slub: Reverse barn_get_full_or_empty_sheaf() ordering

Get full sheaves before returning empty ones

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

diff --git a/mm/slub.c b/mm/slub.c
index f94614ff3086..89480ba75fef 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2827,16 +2827,16 @@ static struct slab_sheaf *barn_get_full_or_empty_sheaf(struct node_barn *barn)
 
 	spin_lock_irqsave(&barn->lock, flags);
 
-	if (barn->nr_empty) {
-		sheaf = list_first_entry(&barn->sheaves_empty,
-					 struct slab_sheaf, barn_list);
-		list_del(&sheaf->barn_list);
-		barn->nr_empty--;
-	} else if (barn->nr_full) {
+	if (barn->nr_full) {
 		sheaf = list_first_entry(&barn->sheaves_full, struct slab_sheaf,
 					barn_list);
 		list_del(&sheaf->barn_list);
 		barn->nr_full--;
+	} else if (barn->nr_empty) {
+		sheaf = list_first_entry(&barn->sheaves_empty,
+					 struct slab_sheaf, barn_list);
+		list_del(&sheaf->barn_list);
+		barn->nr_empty--;
 	}
 
 	spin_unlock_irqrestore(&barn->lock, flags);