* we fall back to GFP_DMA when the mask isn't all 1s,
* so we can't guarantee allocations that must be
* within a tighter range than GFP_DMA..
- * XXX: this won't work for pci_map_single. Caller has to
- * use GFP_DMA in the first place.
+ * RED-PEN this won't work for pci_map_single. Caller has to
+ * use GFP_DMA in the first place.
*/
if (mask < 0x00ffffff)
return 0;