From: ebiederm@xmission.com (Eric W. Biederman)
To: Tao Ma <tao.ma@oracle.com>
Cc: Amerigo Wang <xiyou.wangcong@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org,
Alexey Dobriyan <adobriyan@gmail.com>
Subject: Re: [Patch BUGFIX] kcore: fix its wrong size on x86_64
Date: Mon, 15 Jun 2009 03:10:57 -0700 [thread overview]
Message-ID: <m1ski1g632.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <4A360793.6060000@oracle.com> (Tao Ma's message of "Mon\, 15 Jun 2009 16\:34\:27 +0800")
Tao Ma <tao.ma@oracle.com> writes:
> Hi Amerigo,
>
> The wrong number I mean is 131941393240064.
>
> So do you think
> [root@test3 ~]# ls -l /proc/kcore
> -r-------- 1 root root 131941393240064 Jun 15 13:39 /proc/kcore
>
> is better than
>
> [taoma@test2 ~]$ ll /proc/kcore
> -r-------- 1 root root 281474974617600 Jun 15 15:20 /proc/kcore
> ?
>
> I don't think so.
>
> Actually the right result should look like
>
> [root@test8 ~]# ls -l /proc/kcore
> -r-------- 1 root root 5301604352 Jun 15 13:35 /proc/kcore
>
> And with your patch I can't get this number.
Actually that value is the bug. It has absolutely nothing
to do with the offsets that are valid within /proc/kcore.
Why do you prefer the smaller number?
Eric
next prev parent reply other threads:[~2009-06-15 10:11 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-05 4:03 /proc/kcore has a unreasonable size(281474974617600) in x86_64 2.6.30-rc8 Tao Ma
2009-06-05 5:38 ` Andrew Morton
2009-06-05 6:59 ` Tao Ma
2009-06-05 7:56 ` Amerigo Wang
2009-06-05 8:57 ` Tao Ma
2009-06-05 9:09 ` Américo Wang
2009-06-05 9:14 ` Andrew Morton
2009-06-05 9:30 ` Tao Ma
2009-06-05 9:51 ` Amerigo Wang
2009-06-05 14:26 ` Tao Ma
2009-06-05 17:50 ` Yinghai Lu
2009-06-06 14:37 ` Tao Ma
2009-06-06 22:21 ` Yinghai Lu
2009-06-08 1:52 ` Amerigo Wang
2009-06-08 6:02 ` Tao Ma
2009-06-08 6:41 ` Américo Wang
2009-06-08 8:00 ` Tao Ma
2009-06-09 0:43 ` Américo Wang
2009-06-09 4:10 ` Eric W. Biederman
2009-06-11 5:09 ` Amerigo Wang
2009-06-11 14:12 ` Eric W. Biederman
2009-06-12 7:54 ` Tao Ma
2009-06-13 4:09 ` [Patch BUGFIX] kcore: fix its wrong size on x86_64 Amerigo Wang
2009-06-13 4:20 ` Eric W. Biederman
2009-06-15 2:14 ` Amerigo Wang
2009-06-15 5:59 ` Tao Ma
2009-06-15 7:00 ` Amerigo Wang
2009-06-15 8:34 ` Tao Ma
2009-06-15 9:00 ` Amerigo Wang
2009-06-15 10:10 ` Eric W. Biederman [this message]
2009-06-15 22:10 ` TaoMa
2009-06-15 19:48 ` Eric W. Biederman
2009-06-15 17:01 ` Tao Ma
2009-06-15 10:08 ` Eric W. Biederman
2009-06-16 15:29 ` Américo Wang
2009-06-16 19:27 ` Eric W. Biederman
2009-06-18 3:00 ` Amerigo Wang
2009-06-18 3:37 ` Eric W. Biederman
2009-06-18 4:40 ` Amerigo Wang
2009-06-18 5:41 ` Eric W. Biederman
2009-06-22 8:54 ` [Patch] kcore: remove its pointless size Amerigo Wang
2009-06-30 10:08 ` [RESEND Patch] " Amerigo Wang
2009-07-01 21:47 ` Andrew Morton
2009-07-01 23:25 ` Eric W. Biederman
2009-07-02 0:12 ` Andrew Morton
2009-07-02 0:41 ` KAMEZAWA Hiroyuki
2009-07-17 22:29 ` Andrew Morton
2009-07-21 2:09 ` KAMEZAWA Hiroyuki
2009-07-21 8:46 ` KAMEZAWA Hiroyuki
2009-07-21 9:36 ` [RFC][PATCH 0/3] kcore: clean up and update ram information properly KAMEZAWA Hiroyuki
2009-07-21 9:38 ` [RFC][PATCH 1/3] kcore: use usual list ops in kclist KAMEZAWA Hiroyuki
2009-07-21 9:39 ` [RFC][PATCH 2/3] kcore: add kclist type information KAMEZAWA Hiroyuki
2009-07-21 9:41 ` [RFC][PATCH 3/3] kcore: rebuild RAM information based on io resource information KAMEZAWA Hiroyuki
2009-07-21 11:29 ` [RFC][PATCH 0/3] kcore: clean up and update ram information properly Andi Kleen
2009-07-22 0:27 ` KAMEZAWA Hiroyuki
2009-07-02 9:28 ` [RESEND Patch] kcore: remove its pointless size Amerigo Wang
2009-06-05 5:49 ` /proc/kcore has a unreasonable size(281474974617600) in x86_64 2.6.30-rc8 Amerigo Wang
2009-06-05 6:07 ` Tao Ma
2009-06-05 6:43 ` Amerigo Wang
2009-06-05 6:56 ` Tao Ma
2009-06-05 8:00 ` Amerigo Wang
2009-06-05 9:01 ` Tao Ma
2009-06-05 9:20 ` Amerigo Wang
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