linux-kernel - Re: [PATCH] mm: remove PageMovable export

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Message-ID: <Y8GuSf5LXVm46tUz@google.com>
Date:   Fri, 13 Jan 2023 11:17:29 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     akpm@...ux-foundation.org, Vitaly Wool <vitaly.wool@...sulko.com>,
        Miaohe Lin <linmiaohe@...wei.com>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: remove PageMovable export

On Fri, Jan 06, 2023 at 02:59:00PM +0100, Greg Kroah-Hartman wrote:
> The only in-kernel users that need PageMovable() to be exported are
> z3fold and zsmalloc and they are only using it for dubious debugging
> functionality.  So remove those usages and the export so that no driver
> code accidentally thinks that they are allowed to use this symbol.
> 
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Vitaly Wool <vitaly.wool@...sulko.com>
> Cc: Miaohe Lin <linmiaohe@...wei.com>
> Cc: Minchan Kim <minchan@...nel.org>
> Cc: Sergey Senozhatsky <senozhatsky@...omium.org>
> Cc: linux-mm@...ck.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Acked-by: Minchan Kim <minchan@...nel.org>