slub: use folio APIs in free_large_kmalloc()

Save a few calls to compound_head() by using the folio APIs directly.

Link: https://lkml.kernel.org/r/20231228085748.1083901-4-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: David Rientjes <rientjes@google.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/slab_common.c b/mm/slab_common.c
index 8d43119..66f0b35 100644 (file)
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -979,9 +979,9 @@ void free_large_kmalloc(struct folio *folio, void *object)
        kasan_kfree_large(object);
        kmsan_kfree_large(object);
 
-       mod_lruvec_page_state(folio_page(folio, 0), NR_SLAB_UNRECLAIMABLE_B,
+       lruvec_stat_mod_folio(folio, NR_SLAB_UNRECLAIMABLE_B,
                              -(PAGE_SIZE << order));
-       __free_pages(folio_page(folio, 0), order);
+       folio_put(folio);
 }
 
 static void *__kmalloc_large_node(size_t size, gfp_t flags, int node);