Re: [PATCH v6 1/2] crash_core, vmcoreinfo: Append 'MAX_PHYSMEM_BITS' to vmcoreinfo

From: Catalin Marinas
Date: Thu Jul 02 2020 - 12:56:06 EST


On Thu, Jul 02, 2020 at 08:08:55PM +0800, Dave Young wrote:
> Hi Catalin,
> On 07/02/20 at 12:00pm, Catalin Marinas wrote:
> > On Thu, May 14, 2020 at 12:22:36AM +0530, Bhupesh Sharma wrote:
> > > diff --git a/kernel/crash_core.c b/kernel/crash_core.c
> > > index 9f1557b98468..18175687133a 100644
> > > --- a/kernel/crash_core.c
> > > +++ b/kernel/crash_core.c
> > > @@ -413,6 +413,7 @@ static int __init crash_save_vmcoreinfo_init(void)
> > > VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS);
> > > VMCOREINFO_STRUCT_SIZE(mem_section);
> > > VMCOREINFO_OFFSET(mem_section, section_mem_map);
> > > + VMCOREINFO_NUMBER(MAX_PHYSMEM_BITS);
> > > #endif
> > > VMCOREINFO_STRUCT_SIZE(page);
> > > VMCOREINFO_STRUCT_SIZE(pglist_data);
> >
> > I can queue this patch via the arm64 tree (together with the second one)
> > but I'd like an ack from the kernel/crash_core.c maintainers. They don't
> > seem to have been cc'ed either (only the kexec list).
>
> For the VMCOREINFO part, I'm fine with the changes, but since I do not
> understand the arm64 pieces so I would like to leave to arm64 people to
> review. If arm64 bits are good enough, feel free to add:
>
> Acked-by: Dave Young <dyoung@xxxxxxxxxx>

Thanks.

--
Catalin