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-rw-r--r--include/linux/hugetlb.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index e2d94960b38b..530cf6fc24c7 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -88,6 +88,11 @@ int dequeue_hwpoisoned_huge_page(struct page *page);
bool isolate_huge_page(struct page *page, struct list_head *list);
void putback_active_hugepage(struct page *page);
void free_huge_page(struct page *page);
+extern struct mutex *hugetlb_fault_mutex_table;
+u32 hugetlb_fault_mutex_hash(struct hstate *h, struct mm_struct *mm,
+ struct vm_area_struct *vma,
+ struct address_space *mapping,
+ pgoff_t idx, unsigned long address);
#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
pte_t *huge_pmd_share(struct mm_struct *mm, unsigned long addr, pud_t *pud);