Re: [patch 2/3] Fix GFP_THISNODE behavior for memoryless nodes

David Rientjes
2007-06-12T21:03:52Z

On Tue, 12 Jun 2007, clameter@sgi.com wrote:

> Index: linux-2.6.22-rc4-mm2/include/linux/gfp.h
> ===================================================================
> --- linux-2.6.22-rc4-mm2.orig/include/linux/gfp.h 2007-06-12 12:33:37.000000000 -0700
> +++ linux-2.6.22-rc4-mm2/include/linux/gfp.h 2007-06-12 12:38:37.000000000 -0700
> @@ -175,6 +175,13 @@ static inline struct page *alloc_pages_n
> if (nid < 0)
> nid = numa_node_id();
>
> + /*
> + * Check for the special case that GFP_THISNODE is used on a
> + * memoryless node
> + */
> + if ((gfp_mask & __GFP_THISNODE) && !node_memory(nid))
> + return NULL;
> +

unlikely()?