linux-kernel - Re: [PATCH 03/39] proc: introduce proc_create_seq

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Message-ID: <20180419185027.GC2066@avx2>
Date:   Thu, 19 Apr 2018 21:50:27 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, Corey Minyard <minyard@....org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-acpi@...r.kernel.org, drbd-dev@...ts.linbit.com,
        linux-ide@...r.kernel.org, netdev@...r.kernel.org,
        linux-rtc@...r.kernel.org, megaraidlinux.pdl@...adcom.com,
        linux-scsi@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-afs@...ts.infradead.org, linux-ext4@...r.kernel.org,
        jfs-discussion@...ts.sourceforge.net,
        netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 03/39] proc: introduce proc_create_seq_private

On Thu, Apr 19, 2018 at 02:41:04PM +0200, Christoph Hellwig wrote:
> Variant of proc_create_data that directly take a struct seq_operations

> --- a/fs/proc/internal.h
> +++ b/fs/proc/internal.h
> @@ -45,6 +45,7 @@ struct proc_dir_entry {
>  	const struct inode_operations *proc_iops;
>  	const struct file_operations *proc_fops;
>  	const struct seq_operations *seq_ops;
> +	size_t state_size;

"unsigned int" please.

Where have you seen 4GB priv states?