1 files changed, 2 insertions, 0 deletions

diff --git a/fs/proc/page.c b/fs/proc/page.c
index 6d8e6a9e93ab..7fcd0d60a968 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -115,6 +115,8 @@ u64 stable_page_flags(struct page *page)
                 u |= 1 << KPF_COMPOUND_TAIL;
         if (PageHuge(page))
                 u |= 1 << KPF_HUGE;
+        else if (PageTransCompound(page))
+                u |= 1 << KPF_THP;
 
         /*
          * Caveats on high order pages: page->_count will only be set