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-rw-r--r--mm/madvise.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index b9ce574827c8..36d6ea2b6340 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -112,6 +112,14 @@ static long madvise_willneed(struct vm_area_struct * vma,
112 if (!file) 112 if (!file)
113 return -EBADF; 113 return -EBADF;
114 114
115 /*
116 * Page cache readahead assumes page cache pages are order-0 which
117 * is not the case for hugetlbfs. Do not give a bad return value
118 * but ignore the advice.
119 */
120 if (vma->vm_flags & VM_HUGETLB)
121 return 0;
122
115 if (file->f_mapping->a_ops->get_xip_mem) { 123 if (file->f_mapping->a_ops->get_xip_mem) {
116 /* no bad return value, but ignore advice */ 124 /* no bad return value, but ignore advice */
117 return 0; 125 return 0;