On Thu, 22 Aug 2013, Joonsoo Kim wrote: > @@ -1099,8 +1098,7 @@ static void drain_alien_cache(struct kmem_cache *cachep, > > static inline int cache_free_alien(struct kmem_cache *cachep, void *objp) > { > - struct slab *slabp = virt_to_slab(objp); > - int nodeid = slabp->nodeid; > + int nodeid = page_to_nid(virt_to_page(objp)); > struct kmem_cache_node *n; > struct array_cache *alien = NULL; > int node;
virt_to_page is a relatively expensive operation. How does this affect performance? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/