On Wed, 16 Oct 2013, Joonsoo Kim wrote:
> --- a/mm/slab.c
> +++ b/mm/slab.c
> @@ -930,7 +930,8 @@ static void *__ac_put_obj(struct kmem_cache *cachep, struct array_cache *ac,
> {
> if (unlikely(pfmemalloc_active)) {
> /* Some pfmemalloc slabs exist, check if this is one */
> - struct page *page = virt_to_head_page(objp);
> + struct slab *slabp = virt_to_slab(objp);
> + struct page *page = virt_to_head_page(slabp->s_mem);
> if (PageSlabPfmemalloc(page))
I hope the compiler optimizes this code correctly because virt_to_slab
already does one virt_to_head_page()?
Otherwise this looks fine.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>