From: Oleg Nesterov <oleg@redhat.com>
To: Roland McGrath <roland@hack.frob.com>
Cc: Denys Vlasenko <vda.linux@googlemail.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Amerigo Wang <amwang@redhat.com>,
"Jonathan M. Foote" <jmfoote@cert.org>,
Pedro Alves <palves@redhat.com>
Subject: Re: [PATCH -mm v2] coredump: extend core dump note section to contain file names of mapped files
Date: Tue, 18 Sep 2012 19:27:20 +0200 [thread overview]
Message-ID: <20120918172720.GA26606@redhat.com> (raw)
In-Reply-To: <20120918165819.583252C0A4@topped-with-meat.com>
On 09/18, Roland McGrath wrote:
>
> It's doubtful that rolling your own single loop actually performs better
> than just calling strlen and memcpy.
This is needed to advance 'name' if d_path() fails with !ENAMETOOLONG.
Probably needs a comment.
Or perhaps 'filename = ""' case can handle this case itself. In this
case we do not even need strlen(), remaining = name - filename.
Oleg.
next prev parent reply other threads:[~2012-09-18 17:25 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-18 14:55 [PATCH -mm v2] coredump: extend core dump note section to contain file names of mapped files Denys Vlasenko
2012-09-18 15:36 ` Oleg Nesterov
2012-09-18 16:47 ` Jonathan M. Foote
2012-09-18 16:58 ` Roland McGrath
2012-09-18 17:27 ` Oleg Nesterov [this message]
2012-09-18 17:36 ` Oleg Nesterov
2012-09-18 17:47 ` Oleg Nesterov
2012-09-19 11:50 ` Oleg Nesterov
2012-09-19 16:16 ` Denys Vlasenko
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