linux-kernel - Re: linux-next: build warning after merge of the mm-unstable tree

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Message-Id: <20250710153017.c17ca59f1df36eec90db8b54@linux-foundation.org>
Date: Thu, 10 Jul 2025 15:30:17 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Stephen Rothwell <sfr@...b.auug.org.au>
Cc: David Hildenbrand <david@...hat.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm-unstable tree

On Thu, 10 Jul 2025 17:54:46 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> Hi all,
> 
> After merging the mm-unstable tree, today's linux-next build (htmldocs)
> produced this warning:
> 
> mm/migrate.c:215: warning: Function parameter or struct member 'dst' not described in 'migrate_movable_ops_page'
> mm/migrate.c:215: warning: Function parameter or struct member 'src' not described in 'migrate_movable_ops_page'
> mm/migrate.c:215: warning: Function parameter or struct member 'mode' not described in 'migrate_movable_ops_page'
> mm/migrate.c:215: warning: Excess function parameter 'page' description in 'migrate_movable_ops_page'
> 
> Introduced by commit
> 
>   d5967fb0bf8e ("mm/migrate: factor out movable_ops page handling into migrate_movable_ops_page()")

How about this?

--- a/mm/migrate.c~mm-migrate-factor-out-movable_ops-page-handling-into-migrate_movable_ops_page-fix
+++ a/mm/migrate.c
@@ -161,7 +161,9 @@ static void putback_movable_ops_page(str
 
 /**
  * migrate_movable_ops_page - migrate an isolated movable_ops page
- * @page: The isolated page.
+ * @dst: The destination page.
+ * @src: The source page.
+ * @mode: The migration mode.
  *
  * Migrate an isolated movable_ops page.
  *
_