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Date:   Fri, 15 Sep 2017 21:31:30 +0200
From:   Arnd Bergmann <>
To:     Andrew Morton <>
Cc:     Arnd Bergmann <>, Michal Hocko <>,
        Vlastimil Babka <>,
        Mel Gorman <>,
        Hillf Danton <>,,
Subject: [PATCH] mm: meminit: mark init_reserved_page as __meminit

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 <>
 mm/page_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a123dee01872..ff45b8ebace3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1190,7 +1190,7 @@ static void __meminit __init_single_pfn(unsigned long pfn, unsigned long zone,
-static void init_reserved_page(unsigned long pfn)
+static void __meminit init_reserved_page(unsigned long pfn)
 	pg_data_t *pgdat;
 	int nid, zid;

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