mm/slub: query dynamic DEBUG_PAGEALLOC setting

[cascardo/linux.git] / mm / slub.c

diff --git a/mm/slub.c b/mm/slub.c
index 712d534..2f2f04d 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -254,11 +254,10 @@ static inline void *get_freepointer_safe(struct kmem_cache *s, void *object)
 {
        void *p;
 
-#ifdef CONFIG_DEBUG_PAGEALLOC
+       if (!debug_pagealloc_enabled())
+               return get_freepointer(s, object);
+
        probe_kernel_read(&p, (void **)(object + s->offset), sizeof(p));
-#else
-       p = get_freepointer(s, object);
-#endif
        return p;
 }