On Fri, Aug 13, 2021 at 01:31:45AM -0500, Alex Sierra wrote:
> Add MEMORY_DEVICE_GENERIC case to free_zone_device_page callback.
> Device generic type memory case is now able to free its pages properly.
How is this going to work for the two existing MEMORY_DEVICE_GENERIC
that now change behavior? And which don't have a ->page_free callback
at all?
>
> Signed-off-by: Alex Sierra <alex.sierra@xxxxxxx>
> ---
> mm/memremap.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/mm/memremap.c b/mm/memremap.c
> index 5aa8163fd948..5773e15b6ac9 100644
> --- a/mm/memremap.c
> +++ b/mm/memremap.c
> @@ -459,7 +459,7 @@ 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);
> @@ -498,7 +498,8 @@ 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
---end quoted text---
