On Thu, 16 Jul 2015, Toshi Kani wrote: > Note, removing the call to region_is_ram() is also necessary to > fix bugs in region_is_ram(). walk_system_ram_range() requires > RAM ranges be page-aligned in the iomem_resource table to work > properly. This restriction has allowed multiple ioremaps to RAM > (setup_data) which are page-unaligned. Using fixed region_is_ram() > will cause these callers to start failing. Which callers? Thanks, tglx -- 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>