From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Vlastimil Babka <vbabka@suse.cz>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Yaowei Bai <baiyaowei@cmss.chinamobile.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Dan Williams <dan.j.williams@intel.com>,
Xishi Qiu <qiuxishi@huawei.com>,
David Vrabel <david.vrabel@citrix.com>,
Chen Yucong <slaoub@gmail.com>, Andrew Banman <abanman@sgi.com>,
Seth Jennings <sjenning@redhat.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH v2] memory-hotplug: fix store_mem_state() return value
Date: Wed, 31 Aug 2016 19:17:51 -0500 [thread overview]
Message-ID: <20160901001751.m3z2snlop2djzqgd@arbab-vm> (raw)
In-Reply-To: <alpine.DEB.2.10.1608311652110.112811@chino.kir.corp.google.com>
On Wed, Aug 31, 2016 at 05:03:25PM -0700, David Rientjes wrote:
>Nope, the return value of changing state from online to online was
>established almost 11 years ago in commit 3947be1969a9.
Fair enough. So if online-to-online is -EINVAL,
1. Shouldn't 'echo 1 > online' then also return -EINVAL?
2. store_mem_state() still needs a tweak, right? It was only returning
-EINVAL by accident, due to the convoluted sequence I listed in the
patch.
--
Reza Arbab
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next prev parent reply other threads:[~2016-09-01 0:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20160831150105.GB26702@kroah.com>
2016-08-31 15:44 ` Reza Arbab
2016-08-31 20:25 ` Andrew Morton
2016-08-31 21:06 ` David Rientjes
2016-08-31 23:38 ` Reza Arbab
2016-09-01 0:03 ` David Rientjes
2016-09-01 0:17 ` Reza Arbab [this message]
2016-09-01 0:28 ` David Rientjes
2016-09-01 1:57 ` Reza Arbab
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