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-rw-r--r--mm/hugetlb.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 5c390f5a5207..7b5c0ad9a6bd 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -3690,6 +3690,12 @@ int huge_add_to_page_cache(struct page *page, struct address_space *mapping,
return err;
ClearPagePrivate(page);
+ /*
+ * set page dirty so that it will not be removed from cache/file
+ * by non-hugetlbfs specific code paths.
+ */
+ set_page_dirty(page);
+
spin_lock(&inode->i_lock);
inode->i_blocks += blocks_per_huge_page(h);
spin_unlock(&inode->i_lock);