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From:   Alex Sierra <alex.sierra@amd.com>
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Subject: [PATCH v4 08/13] mm: call pgmap->ops->page_free for DEVICE_GENERIC pages
Date:   Sat, 17 Jul 2021 14:21:30 -0500
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Add MEMORY_DEVICE_GENERIC case to free_zone_device_page
callback.
Device generic type memory case is now able to free its
pages properly.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
---
 mm/memremap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/memremap.c b/mm/memremap.c
index 614b3d600e95..6c884e2542a9 100644
--- a/mm/memremap.c
+++ b/mm/memremap.c
@@ -438,7 +438,7 @@ struct dev_pagemap *get_dev_pagemap(unsigned long pfn,
 EXPORT_SYMBOL_GPL(get_dev_pagemap);
 
 #ifdef CONFIG_DEV_PAGEMAP_OPS
-static void free_device_private_page(struct page *page)
+static void free_device_page(struct page *page)
 {
 
 	__ClearPageWaiters(page);
@@ -477,7 +477,8 @@ void free_zone_device_page(struct page *page)
 		wake_up_var(&page->_refcount);
 		return;
 	case MEMORY_DEVICE_PRIVATE:
-		free_device_private_page(page);
+	case MEMORY_DEVICE_GENERIC:
+		free_device_page(page);
 		return;
 	default:
 		return;
-- 
2.32.0