From: Arnd Bergmann <arnd@arndb.de>

The set_highmem_pages_init() function is declared in asm/numa.h, which
must be included in the file that defines it to avoid a W=1 warning:

arch/x86/mm/highmem_32.c:7:13: error: no previous prototype for 'set_highmem_pages_init' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/x86/mm/highmem_32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index 2c54b76d8f84..d9efa35711ee 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c

@@ -3,6 +3,7 @@
 #include <linux/export.h>
 #include <linux/swap.h> /* for totalram_pages */
 #include <linux/memblock.h>
+#include <asm/numa.h>
 
 void __init set_highmem_pages_init(void)
 {

-- 
2.39.2