On Tue, Oct 19, 2021 at 09:36:41AM +0200, Christoph Hellwig wrote:
> No driver is left using the external pgmap refcount, so remove the
> code to support it.
> --- a/include/linux/memremap.h
> +++ b/include/linux/memremap.h
> @@ -109,8 +98,7 @@ struct dev_pagemap_ops {
> */
> struct dev_pagemap {
> struct vmem_altmap altmap;
> - struct percpu_ref *ref;
> - struct percpu_ref internal_ref;
> + struct percpu_ref ref;
> struct completion done;
> enum memory_type type;
> unsigned int flags;
This breaks at least drivers/pci/p2pdma.c:222
Meow!
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⢿⡄⠘⠷⠚⠋⠀ Certified airhead; got the CT scan to prove that!
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