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-rw-r--r--mm/memremap.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/memremap.c b/mm/memremap.c
index f41233a67edb..a0ece2344c2c 100644
--- a/mm/memremap.c
+++ b/mm/memremap.c
@@ -4,7 +4,7 @@
#include <linux/io.h>
#include <linux/kasan.h>
#include <linux/memory_hotplug.h>
-#include <linux/mm.h>
+#include <linux/memremap.h>
#include <linux/pfn_t.h>
#include <linux/swap.h>
#include <linux/mmzone.h>
@@ -504,6 +504,10 @@ void free_devmap_managed_page(struct page *page)
bool __put_devmap_managed_page(struct page *page)
{
+ if (page->pgmap->type != MEMORY_DEVICE_PRIVATE &&
+ page->pgmap->type != MEMORY_DEVICE_FS_DAX)
+ return false;
+
/*
* devmap page refcounts are 1-based, rather than 0-based: if
* refcount is 1, then the page is free and the refcount is