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-rw-r--r--mm/pagewalk.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 8b1a2ce21ee5..38cc58b8b2b0 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -139,7 +139,6 @@ int walk_page_range(unsigned long addr, unsigned long end,
139 pgd_t *pgd; 139 pgd_t *pgd;
140 unsigned long next; 140 unsigned long next;
141 int err = 0; 141 int err = 0;
142 struct vm_area_struct *vma;
143 142
144 if (addr >= end) 143 if (addr >= end)
145 return err; 144 return err;
@@ -149,15 +148,17 @@ int walk_page_range(unsigned long addr, unsigned long end,
149 148
150 pgd = pgd_offset(walk->mm, addr); 149 pgd = pgd_offset(walk->mm, addr);
151 do { 150 do {
151 struct vm_area_struct *uninitialized_var(vma);
152
152 next = pgd_addr_end(addr, end); 153 next = pgd_addr_end(addr, end);
153 154
155#ifdef CONFIG_HUGETLB_PAGE
154 /* 156 /*
155 * handle hugetlb vma individually because pagetable walk for 157 * handle hugetlb vma individually because pagetable walk for
156 * the hugetlb page is dependent on the architecture and 158 * the hugetlb page is dependent on the architecture and
157 * we can't handled it in the same manner as non-huge pages. 159 * we can't handled it in the same manner as non-huge pages.
158 */ 160 */
159 vma = find_vma(walk->mm, addr); 161 vma = find_vma(walk->mm, addr);
160#ifdef CONFIG_HUGETLB_PAGE
161 if (vma && is_vm_hugetlb_page(vma)) { 162 if (vma && is_vm_hugetlb_page(vma)) {
162 if (vma->vm_end < next) 163 if (vma->vm_end < next)
163 next = vma->vm_end; 164 next = vma->vm_end;