1 files changed, 10 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h
index a64b9b2c8731..31ccf0f6d3a1 100644
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -605,6 +605,16 @@ static inline size_t slab_ksize(const struct kmem_cache *s)
 	return s->size;
 }
 
+static inline unsigned int large_kmalloc_order(const struct page *page)
+{
+	return page[1].flags.f & 0xff;
+}
+
+static inline size_t large_kmalloc_size(const struct page *page)
+{
+	return PAGE_SIZE << large_kmalloc_order(page);
+}
+
 #ifdef CONFIG_SLUB_DEBUG
 void dump_unreclaimable_slab(void);
 #else