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-rw-r--r--mm/mempolicy.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index eca4a3129129..9f73b29d304d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -613,7 +613,7 @@ static inline int queue_pages_pgd_range(struct vm_area_struct *vma,
613 return 0; 613 return 0;
614} 614}
615 615
616#ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE 616#ifdef CONFIG_NUMA_BALANCING
617/* 617/*
618 * This is used to mark a range of virtual addresses to be inaccessible. 618 * This is used to mark a range of virtual addresses to be inaccessible.
619 * These are later cleared by a NUMA hinting fault. Depending on these 619 * These are later cleared by a NUMA hinting fault. Depending on these
@@ -627,7 +627,6 @@ unsigned long change_prot_numa(struct vm_area_struct *vma,
627 unsigned long addr, unsigned long end) 627 unsigned long addr, unsigned long end)
628{ 628{
629 int nr_updated; 629 int nr_updated;
630 BUILD_BUG_ON(_PAGE_NUMA != _PAGE_PROTNONE);
631 630
632 nr_updated = change_protection(vma, addr, end, vma->vm_page_prot, 0, 1); 631 nr_updated = change_protection(vma, addr, end, vma->vm_page_prot, 0, 1);
633 if (nr_updated) 632 if (nr_updated)
@@ -641,7 +640,7 @@ static unsigned long change_prot_numa(struct vm_area_struct *vma,
641{ 640{
642 return 0; 641 return 0;
643} 642}
644#endif /* CONFIG_ARCH_USES_NUMA_PROT_NONE */ 643#endif /* CONFIG_NUMA_BALANCING */
645 644
646/* 645/*
647 * Walk through page tables and collect pages to be migrated. 646 * Walk through page tables and collect pages to be migrated.