Unlike THP, hugetlb pages represented by one entry on radix-tree.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxxx>
---
mm/filemap.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/mm/filemap.c b/mm/filemap.c
index 849f459ad078..7602e8fabf5e 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -169,7 +169,10 @@ static int page_cache_tree_insert(struct address_space *mapping,
static void page_cache_tree_delete(struct address_space *mapping,
struct page *page, void *shadow)
{
- int i, nr = PageHuge(page) ? 1 : hpage_nr_pages(page);
+ int i, nr;
+
+ /* hugetlb pages represented by one entry on radix-tree */
+ nr = PageHuge(page) ? 1 : hpage_nr_pages(page);
VM_BUG_ON_PAGE(!PageLocked(page), page);
VM_BUG_ON_PAGE(PageTail(page), page);
--
2.9.3
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