Commit 
7b2cd92adc5430b0c1adeb120971852b4ea1ab08 ("crypto: api - Fix
zeroing on free") added modular user of ksize(). Export that to fix
crypto.ko compilation.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
 
        return obj_size(virt_to_cache(objp));
 }
+EXPORT_SYMBOL(ksize);
 
        } else
                return sp->page.private;
 }
+EXPORT_SYMBOL(ksize);
 
 struct kmem_cache {
        unsigned int size, align;
 
         */
        return s->size;
 }
+EXPORT_SYMBOL(ksize);
 
 void kfree(const void *x)
 {