[PATCH v1 09/14] mm: call pgmap->ops->page_free for DEVICE_PUBLIC pages

Alex Sierra
2021-08-25T03:49:30Z

Add MEMORY_DEVICE_PUBLIC case to free_zone_device_page callback.
Device public type memory case is now able to free its pages properly.

Signed-off-by: Alex Sierra <alex.sierra@amd.com>
---
mm/memremap.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/memremap.c b/mm/memremap.c
index 2c8898ed006f..b9a8ed089cc6 100644
--- a/mm/memremap.c
+++ b/mm/memremap.c
@@ -460,7 +460,7 @@ 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);
@@ -494,13 +494,14 @@ static void free_device_private_page(struct page *page)
void free_zone_device_page(struct page *page)
{
switch (page->pgmap->type) {
+ case MEMORY_DEVICE_PRIVATE:
+ case MEMORY_DEVICE_PUBLIC:
+ free_device_page(page);
+ return;
case MEMORY_DEVICE_FS_DAX:
/* notify page idle */
wake_up_var(&page->_refcount);
return;
- case MEMORY_DEVICE_PRIVATE:
- free_device_private_page(page);
- return;
default:
return;
}
--
2.32.0