Re: Build regressions/improvements in v4.17-rc1

On Mon, 6 Aug 2018 12:39:21 +0200 Geert Uytterhoeven [off-list ref] wrote:

CC Dan, Michael, AKPM, powerpc

On Mon, Apr 16, 2018 at 3:10 PM Geert Uytterhoeven [off-list ref] wrote:

quoted

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:

quoted

  + 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?