Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Date:   Wed, 24 Aug 2022 13:58:04 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     xu xin <cgel.zte@gmail.com>
Cc:     akpm@linux-foundation.org, corbet@lwn.net, bagasdotme@gmail.com,
        adobriyan@gmail.com, hughd@google.com,
        linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-mm@kvack.org, xu xin <xu.xin16@zte.com.cn>,
        Xiaokai Ran <ran.xiaokai@zte.com.cn>,
        Yang Yang <yang.yang29@zte.com.cn>
Subject: Re: [PATCH v4 1/2] ksm: count allocated ksm rmap_items for each
 process
Message-ID: <YwYgXNJIzNxcVDnp@casper.infradead.org>
References: <20220824124512.223103-1-xu.xin16@zte.com.cn>
 <20220824124615.223158-1-xu.xin16@zte.com.cn>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20220824124615.223158-1-xu.xin16@zte.com.cn>
Precedence: bulk

On Wed, Aug 24, 2022 at 12:46:15PM +0000, xu xin wrote:
>  #ifdef CONFIG_KSM
>  	ONE("ksm_merging_pages",  S_IRUSR, proc_pid_ksm_merging_pages),
> +	ONE("ksm_rmp_items",  S_IRUSR, proc_pid_ksm_rmp_items),

You misspelled "rmap" in the file name.

> +		/*
> +		 * Represent how many pages are checked for ksm merging
> +		 * including merged and not merged.
> +		 */
> +		unsigned long ksm_rmp_items;

Also here.