From: Oleg Nesterov <oleg@redhat.com>
To: Cyrill Gorcunov <gorcunov@gmail.com>
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
Subject: Re: [RFC PATCH 1/5] proc: intoduce proc_inode->pid_entry and is_tgid_pid_entry()
Date: Sat, 9 Aug 2014 16:28:50 +0200 [thread overview]
Message-ID: <20140809142850.GB16457@redhat.com> (raw)
In-Reply-To: <20140808200553.GB20553@moon>
On 08/09, Cyrill Gorcunov wrote:
>
> 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?
Probably because this doesn't make sense to nullify proc_inode->vfs_inode,
it will be reinitialized at least by inode_init_always() anyway.
Oleg.
next prev parent reply other threads:[~2014-08-09 14:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-08 18:57 [RFC PATCH 0/5] introduce proc_inode->pid_entry Oleg Nesterov
2014-08-08 18:57 ` [RFC PATCH 1/5] proc: intoduce proc_inode->pid_entry and is_tgid_pid_entry() Oleg Nesterov
2014-08-08 20:05 ` Cyrill Gorcunov
2014-08-09 14:28 ` Oleg Nesterov [this message]
2014-08-10 7:16 ` Cyrill Gorcunov
2014-08-08 18:57 ` [RFC PATCH 2/5] proc: unify proc_tgid_stat() and proc_tid_stat() Oleg Nesterov
2014-08-08 18:57 ` [RFC PATCH 3/5] proc: kill *_tid_*maps* stuff Oleg Nesterov
2014-08-08 18:57 ` [RFC PATCH 4/5] proc: introduce pid_entry_name() Oleg Nesterov
2014-08-08 18:58 ` [RFC PATCH 5/5] proc: unify proc_pid_*maps* stuff Oleg Nesterov
2014-08-08 22:03 ` [RFC PATCH 0/5] introduce proc_inode->pid_entry Eric W. Biederman
2014-08-08 22:11 ` Eric W. Biederman
2014-08-10 19:23 ` Oleg Nesterov
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