diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 5fff7cb3582f..cf3af2140c3d 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -675,9 +675,10 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, mutex_unlock(&hugetlb_fault_mutex_table[hash]); + set_page_huge_active(page); /* * unlock_page because locked by add_to_page_cache() - * page_put due to reference from alloc_huge_page() + * put_page() due to reference from alloc_huge_page() */ unlock_page(page); put_page(page); diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 8a03f392f368..0e080ba5efbc 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -590,6 +590,8 @@ static inline void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, } #endif +void set_page_huge_active(struct page *page); + #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3bc33fa83817..1b01623df94d 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1222,7 +1222,7 @@ bool page_huge_active(struct page *page) } /* never called for tail page */ -static void set_page_huge_active(struct page *page) +void set_page_huge_active(struct page *page) { VM_BUG_ON_PAGE(!PageHeadHuge(page), page); SetPagePrivate(&page[1]);