linux-kernel - Re: [PATCH v1 12/29] mm/zsmalloc: stop using _

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Message-ID: <zmsay3nrpmjec5n7v44svfa7iwl6vklqan4dgjn4wpvsr5hqt7@cqfwdvhncgrg>
Date: Wed, 2 Jul 2025 17:11:38 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: David Hildenbrand <david@...hat.com>
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Subject: Re: [PATCH v1 12/29] mm/zsmalloc: stop using __ClearPageMovable()

On (25/06/30 14:59), David Hildenbrand wrote:
[..]
>  static int zs_page_migrate(struct page *newpage, struct page *page,
> @@ -1736,6 +1736,13 @@ static int zs_page_migrate(struct page *newpage, struct page *page,
>  	unsigned long old_obj, new_obj;
>  	unsigned int obj_idx;
>  
> +	/*
> +	 * TODO: nothing prevents a zspage from getting destroyed while
> +	 * isolated: we should disallow that and defer it.
> +	 */

Can you elaborate?