linux-kernel - Re: [RFC PATCH 1/5] proc: intoduce proc_inode->pid_entry and is_tgid_pid

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Message-ID: <20140810071601.GB14546@moon>
Date:	Sun, 10 Aug 2014 11:16:01 +0400
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	Peter Zijlstra <peterz@...radead.org>,
	Sasha Levin <levinsasha928@...il.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 1/5] proc: intoduce proc_inode->pid_entry and
 is_tgid_pid_entry()

On Sat, Aug 09, 2014 at 04:28:50PM +0200, Oleg Nesterov wrote:
> >
> > 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?
> 
> Probably because this doesn't make sense to nullify proc_inode->vfs_inode,
> it will be reinitialized at least by inode_init_always() anyway.

  Yeah, thanks. I managed to fogeth that we call inode_init_always after inode
get allocated. As to series -- looks like a good start, and I think Eric
is a way more confident in this area than me so i've nothing to add up
to his comments.
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