I like the intent behind this, but not the implementation. I think the right approach is to keep the defaults in linux/pmem.h and simply not set CONFIG_ARCH_HAS_PMEM_API for x86-32. -- 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>