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SubjectRe: Build regressions/improvements in v4.17-rc1
On Mon, 6 Aug 2018 12:39:21 +0200 Geert Uytterhoeven <geert@linux-m68k.org> wrote:

> CC Dan, Michael, AKPM, powerpc
>
> On Mon, Apr 16, 2018 at 3:10 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> > Below is the list of build error/warning regressions/improvements in
> > v4.17-rc1[1] compared to v4.16[2].
>
> I'd like to point your attention to:
>
> > + warning: vmlinux.o(.text+0x376518): Section mismatch in reference from the function .devm_memremap_pages() to the function .meminit.text:.arch_add_memory(): => N/A
> > + warning: vmlinux.o(.text+0x376d64): Section mismatch in reference from the function .devm_memremap_pages_release() to the function .meminit.text:.arch_remove_memory(): => N/A

hm. Dan isn't around at present so we're on our own with this one.

x86 doesn't put arch_add_memory and arch_remove_memory into __meminit.
x86 does

#ifdef CONFIG_MEMORY_HOTPLUG
int arch_add_memory(int nid, u64 start, u64 size, struct vmem_altmap *altmap,
bool want_memblock)
{
...


So I guess powerpc should do that as well?

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