On Fri, Nov 10, 2017 at 10:14:53AM +0100, Ingo Molnar wrote: > I'm wondering, how did you test it if no current bootloader puts the kernel to > above addresses of 4G? I didn't test it directly. I've checked with debugger that there's no memory accesses above 1M between disabling paging in the trampoline and returning back from trampoline to the main kernel image code. -- Kirill A. Shutemov -- 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>