From: Matthew Wilcox (Oracle) <willy@infradead.org>
Date: Fri, 1 Oct 2021 19:17:27 +0000 (-0400)
Subject: mm/slub: Convert free_partial() to use struct slab
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=429f7edbd31e9b47d92d5cb43bc0d8e5c10ddad8;p=users%2Fwilly%2Flinux.git

mm/slub: Convert free_partial() to use struct slab

Add a little type safety.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---

diff --git a/mm/slub.c b/mm/slub.c
index ea7f8d9716e0a..875f3f6c1ae68 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4241,23 +4241,23 @@ static void list_slab_objects(struct kmem_cache *s, struct page *page,
 static void free_partial(struct kmem_cache *s, struct kmem_cache_node *n)
 {
 	LIST_HEAD(discard);
-	struct page *page, *h;
+	struct slab *slab, *h;
 
 	BUG_ON(irqs_disabled());
 	spin_lock_irq(&n->list_lock);
-	list_for_each_entry_safe(page, h, &n->partial, slab_list) {
-		if (!page->inuse) {
-			remove_partial(n, page);
-			list_add(&page->slab_list, &discard);
+	list_for_each_entry_safe(slab, h, &n->partial, slab_list) {
+		if (!slab->inuse) {
+			remove_partial(n, slab_page(slab));
+			list_add(&slab->slab_list, &discard);
 		} else {
-			list_slab_objects(s, page,
+			list_slab_objects(s, slab_page(slab),
 			  "Objects remaining in %s on __kmem_cache_shutdown()");
 		}
 	}
 	spin_unlock_irq(&n->list_lock);
 
-	list_for_each_entry_safe(page, h, &discard, slab_list)
-		discard_slab(s, page);
+	list_for_each_entry_safe(slab, h, &discard, slab_list)
+		discard_slab(s, slab_page(slab));
 }
 
 bool __kmem_cache_empty(struct kmem_cache *s)