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Subject[patch] hugetlbfs: fix build failure on 64-bit x86

[resend, still relevant to -git]

From 5215af24a20e5f448ee45cd1d97c4118b876c0f6 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Fri, 25 Jul 2008 20:45:52 +0200
Subject: [PATCH] hugetlbfs: fix build failure on 64-bit x86

fix:

arch/x86/mm/built-in.o: In function `setup_hugepagesz':
hugetlbpage.c:(.init.text+0xb49): undefined reference to `hugetlb_add_hstate'

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/mm/hugetlbpage.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c
index 8f307d9..977d185 100644
--- a/arch/x86/mm/hugetlbpage.c
+++ b/arch/x86/mm/hugetlbpage.c
@@ -425,7 +425,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,

#endif /*HAVE_ARCH_HUGETLB_UNMAPPED_AREA*/

-#ifdef CONFIG_X86_64
+#if defined(CONFIG_X86_64) && defined(CONFIG_SYSCTL)
static __init int setup_hugepagesz(char *opt)
{
unsigned long ps = memparse(opt, &opt);

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