1 files changed, 1 insertions, 1 deletions

diff --git a/fs/proc/page.c b/fs/proc/page.c
index 3b8b45660331..b06c674624e6 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -40,7 +40,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
                         ppage = pfn_to_page(pfn);
                 else
                         ppage = NULL;
-                if (!ppage)
+                if (!ppage || PageSlab(ppage))
                         pcount = 0;
                 else
                         pcount = page_mapcount(ppage);