Re: [PATCH] mm: meminit: mark init_reserved_page as __meminit
From: Mel Gorman
Date: Sat Sep 16 2017 - 05:35:11 EST
On Fri, Sep 15, 2017 at 09:31:30PM +0200, Arnd Bergmann wrote:
> The function is called from __meminit context and calls other
> __meminit functions but isn't it self mark as such today:
> WARNING: vmlinux.o(.text.unlikely+0x4516): Section mismatch in reference from the function init_reserved_page() to the function .meminit.text:early_pfn_to_nid()
> The function init_reserved_page() references
> the function __meminit early_pfn_to_nid().
> This is often because init_reserved_page lacks a __meminit
> annotation or the annotation of early_pfn_to_nid is wrong.
> On most compilers, we don't notice this because the function
> gets inlined all the time. Adding __meminit here fixes the
> harmless warning for the old versions and is generally the
> correct annotation.
> Fixes: 7e18adb4f80b ("mm: meminit: initialise remaining struct pages in parallel with kswapd")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx>