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From: Alasdair G Kergon <agk@redhat.com>
To: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Cc: Mikulas Patocka <mpatocka@redhat.com>,
	"xinhui.pan" <xinhuix.pan@intel.com>,
	linux-kernel@vger.kernel.org, agk@redhat.com, snitzer@redhat.com,
	dm-devel@redhat.com, "Liu, ShuoX" <shuox.liu@intel.com>
Subject: Re: [dm-devel] [PATCH] md/dm-ioctl.c: optimize memory allocation in copy_params
Date: Tue, 22 Jul 2014 02:23:52 +0100	[thread overview]
Message-ID: <20140722012352.GD6822@agk-dp.fab.redhat.com> (raw)
In-Reply-To: <53CDB81B.90509@linux.intel.com>

>>> On 2014/7/9 6:39, Mikulas Patocka wrote:
>> Which ioctl with more than 16kB
>> arguments do you use? 

Unanswered.  Let's ask the same question in a different way:

Please supply the output of these three commands on the real-world system on
which you believe that that particular allocation is causing you a problem:
  dmsetup info -c
  dmsetup table
  dmsetup status

Alasdair


  reply	other threads:[~2014-07-22  1:24 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-04 10:22 [PATCH] md/dm-ioctl.c: optimize memory allocation in copy_params xinhui.pan
2014-07-08 22:39 ` [dm-devel] " Mikulas Patocka
2014-07-09  2:01   ` Zhang, Yanmin
2014-07-09  3:37     ` xinhui.pan
2014-07-09 14:53     ` Mikulas Patocka
2014-07-22  1:02       ` Zhang, Yanmin
2014-07-22  1:23         ` Alasdair G Kergon [this message]
2014-07-22  2:04           ` Alasdair G Kergon
2014-07-23  3:15             ` Zhang, Yanmin
2014-07-23  3:06           ` Zhang, Yanmin
2014-07-23 12:16             ` Mikulas Patocka
2014-07-23 12:54               ` Alasdair G Kergon
2014-07-23 17:14                 ` Mikulas Patocka
2014-07-24  5:53                   ` Zhang, Yanmin
2014-07-23 12:39         ` Mikulas Patocka

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