From 436de77af45f1209b25f7e0d1cc3fb7ebd07999f Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Fri, 8 Aug 2008 13:46:07 -0700
Subject: [PATCH] --- yaml --- r: 108168 b: refs/heads/master c:
 cf3e50501259f9a7cb108a69c3e1b912135628f6 h: refs/heads/master v: v3

---
 [refs]                      | 2 +-
 trunk/arch/x86/mm/pgtable.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 5d0e4aa0f45f..e389d33ce947 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fb6bef8002d54a9c3062abc281893ec7c896d3ce
+refs/heads/master: cf3e50501259f9a7cb108a69c3e1b912135628f6
diff --git a/trunk/arch/x86/mm/pgtable.c b/trunk/arch/x86/mm/pgtable.c
index 557b2abceef8..d50302774fe2 100644
--- a/trunk/arch/x86/mm/pgtable.c
+++ b/trunk/arch/x86/mm/pgtable.c
@@ -207,6 +207,9 @@ static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
 	unsigned long addr;
 	int i;
 
+	if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
+		return;
+
 	pud = pud_offset(pgd, 0);
 
  	for (addr = i = 0; i < PREALLOCATED_PMDS;