From 9852b1dc6a140365977d7bfb5fa03d413b3417ad Mon Sep 17 00:00:00 2001
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 3 Apr 2024 22:23:37 +0200
Subject: x86/numa/32: Include missing <asm/pgtable_areas.h>

The __vmalloc_start_set declaration is in a header that is not included
in numa_32.c in current linux-next:

  arch/x86/mm/numa_32.c: In function 'initmem_init':
  arch/x86/mm/numa_32.c:57:9: error: '__vmalloc_start_set' undeclared (first use in this function)
     57 |         __vmalloc_start_set = true;
        |         ^~~~~~~~~~~~~~~~~~~
  arch/x86/mm/numa_32.c:57:9: note: each undeclared identifier is reported only once for each function it appears in

Add an explicit #include.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20240403202344.3463169-1-arnd@kernel.org
---
 arch/x86/mm/numa_32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index 104544359d69..025fd7ea5d69 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -24,6 +24,7 @@
 
 #include <linux/memblock.h>
 #include <linux/init.h>
+#include <asm/pgtable_areas.h>
 
 #include "numa_internal.h"
 
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