linux-kernel - Re: [PATCH v12 2/7] mm: factor helpers for memory_failure_dev

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Message-ID: <YlPMn2DjbqzAVhrb@infradead.org>
Date:   Sun, 10 Apr 2022 23:37:19 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Shiyang Ruan <ruansy.fnst@...itsu.com>
Cc:     linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org,
        nvdimm@...ts.linux.dev, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, djwong@...nel.org,
        dan.j.williams@...el.com, david@...morbit.com, hch@...radead.org,
        jane.chu@...cle.com, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH v12 2/7] mm: factor helpers for memory_failure_dev_pagemap

> +	unmap_and_kill(&to_kill, pfn, page->mapping, page->index, flags);
> +unlock:
> +	dax_unlock_page(page, cookie);
> +	return 0;

As the buildbot points out this should probably be a "return rc".