From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyrill Gorcunov <gorcunov@gmail.com>
Subject: Re: [RFC PATCH 1/5] proc: intoduce proc_inode->pid_entry and
 is_tgid_pid_entry()
Date: Sat, 9 Aug 2014 00:05:53 +0400
Message-ID: <20140808200553.GB20553@moon>
References: <20140808185732.GA760@redhat.com>
 <20140808185747.GA774@redhat.com>
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Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
	Alexey Dobriyan <adobriyan@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	David Howells <dhowells@redhat.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	"Kirill A. Shutemov" <kirill@shutemov.name>,
	Peter Zijlstra <peterz@infradead.org>,
	Sasha Levin <levinsasha928@gmail.com>,
	linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
To: Oleg Nesterov <oleg@redhat.com>
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On Fri, Aug 08, 2014 at 08:57:47PM +0200, Oleg Nesterov wrote:
...
> +++ b/fs/proc/inode.c
> @@ -73,6 +73,7 @@ static struct inode *proc_alloc_inode(struct super_block *sb)
>  	ei->pde = NULL;
>  	ei->sysctl = NULL;
>  	ei->sysctl_entry = NULL;
> +	ei->pid_entry = NULL;
>  	ei->ns.ns = NULL;
>  	ei->ns.ns_ops = NULL;
>  	inode = &ei->vfs_inode;

Hi Oleg, sorry for not responding to previous emails, will try to review this
things tomorrow (from a glance looks quite good!). Btw, this moment strike my
eyes -- why don't we use kmem_cache_zalloc here but do assign nils again and
again, maybe worth to address as well?