On 04/24/17 at 05:41pm, Thomas Garnier wrote: > On Mon, Apr 24, 2017 at 4:07 PM, Baoquan He <b...@redhat.com> wrote: > > Yeah, according to my debugging tracking, it goes as Dan said. And the > > is_ram is REGION_DISJOINT. And till arch_add_memory, the parameters > > passed to arch_add_memory are "arch_add_memory, align_start:0x10000000000, > > align_size:0x3000000000", > > seems it's going well. > > Hum ok, I hope it was another path given it seems the page table is > correctly setup on this one. > > Maybe looking at the PTEs with and without crash might help? (setting > this if statement to 1: > http://lxr.free-electrons.com/source/arch/x86/mm/init_64.c#L360)
The page_size_mask is PG_LEVEL_1G, it should only enter into phys_pud_init and return.
