linux-kernel - Re: [PATCH linux-next v3] swap_state: update shadow

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Message-ID: <202301182017545851044@zte.com.cn>
Date:   Wed, 18 Jan 2023 20:17:54 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <willy@...radead.org>
Cc:     <akpm@...ux-foundation.org>, <hannes@...xchg.org>,
        <bagasdotme@...il.com>, <linux-fsdevel@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <iamjoonsoo.kim@....com>, <ran.xiaokai@....com.cn>
Subject: Re: [PATCH linux-next v3] swap_state: update shadow_nodes for anonymous page

> i_lock is at offset 128 of struct inode, so that matches the dump.
> I believe that swapper_spaces never have ->host set, so I don't
> believe you've tested this patch since 51b8c1fe250d went in
> back in 2021.

You are totally right. I reproduce the panic in linux-next, and fix
it by patch v4. I should be more careful, since I used Linux 5.14
to test the patch which is a mistake.

Much apologies for the time wasted.

Thanks.