Takashi helped us track down a bad page state bug we thought was coming
from alsa.  It turns out we weren't paying attention to the gfp flags
that were passed in to sn_dma_alloc_coherent().
From: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Edwards <edwardsg@sgi.com>
Signed-off-by: Mark Maule <maule@sgi.com>
Signed-off-by: Jes Sorensen <jes@sgi.com>
         */
        node = pcibus_to_node(pdev->bus);
        if (likely(node >=0)) {
-               struct page *p = alloc_pages_node(node, GFP_ATOMIC, get_order(size));
+               struct page *p = alloc_pages_node(node, flags, get_order(size));
 
                if (likely(p))
                        cpuaddr = page_address(p);
                else
                        return NULL;
        } else
-               cpuaddr = (void *)__get_free_pages(GFP_ATOMIC, get_order(size));
+               cpuaddr = (void *)__get_free_pages(flags, get_order(size));
 
        if (unlikely(!cpuaddr))
                return NULL;