Re: [PATCH v2] drivers/base/memory: make memory block get/put explicit

[Sumanth Korikkar]

On Tue, May 12, 2026 at 03:26:35PM +0800, Muchun Song wrote:
> Rename the memory block lookup helper to make the acquired reference
> explicit, add memory_block_put() to wrap put_device(), remove
> find_memory_block(), and use memory_block_get() as the single block-id
> based lookup interface.
> 
> This makes it clearer to callers that a successful lookup holds a
> reference that must be dropped, reducing the chance of forgetting the
> matching put and leaking the memory block device reference.
> 
> Link: https://lore.kernel.org/linux-mm/7887915D-E598-42B3-9AFE-BFFBACE8DE2D@xxxxxxxxx/#t
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
> Acked-by: Oscar Salvador <osalvador@xxxxxxx>
> Acked-by: David Hildenbrand (Arm) <david@xxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Tested-by: Donet Tom <donettom@xxxxxxxxxxxxx>
> Reviewed-by: Lorenzo Stoakes <ljs@xxxxxxxxxx>

Tested-by: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx> #s390