[PATCH 06/11] slab: Use memdesc_nid()

["Matthew Wilcox (Oracle)" <willy@infradead.org>]

We no longer need to convert from slab to folio to get the nid, we can
ask memdesc_nid() for the nid directly.
---
 mm/slab.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/slab.h b/mm/slab.h
index 7757331e7c80..c41a512dd07c 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -174,12 +174,12 @@ static inline void *slab_address(const struct slab *slab)
 
 static inline int slab_nid(const struct slab *slab)
 {
-	return folio_nid(slab_folio(slab));
+	return memdesc_nid(slab->flags);
 }
 
 static inline pg_data_t *slab_pgdat(const struct slab *slab)
 {
-	return folio_pgdat(slab_folio(slab));
+	return NODE_DATA(slab_nid(slab));
 }
 
 static inline struct slab *virt_to_slab(const void *addr)
-- 
2.47.2