From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>,
Andrea Arcangeli <aarcange@redhat.com>,
Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
qiuxishi@huawei.com, Kani Toshimitsu <toshi.kani@hpe.com>,
slaoub@gmail.com, Joonsoo Kim <js1304@gmail.com>,
Andi Kleen <ak@linux.intel.com>,
Zhang Zhen <zhenzhang.zhang@huawei.com>,
David Rientjes <rientjes@google.com>,
Daniel Kiper <daniel.kiper@oracle.com>,
Igor Mammedov <imammedo@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 3/6] mm: remove return value from init_currently_empty_zone
Date: Mon, 3 Apr 2017 16:22:32 -0500 [thread overview]
Message-ID: <20170403212232.s3zynq2hh6hpnefr@arbab-laptop> (raw)
In-Reply-To: <20170330115454.32154-4-mhocko@kernel.org>
On Thu, Mar 30, 2017 at 01:54:51PM +0200, Michal Hocko wrote:
>init_currently_empty_zone doesn't have any error to return yet it is
>still an int and callers try to be defensive and try to handle potential
>error. Remove this nonsense and simplify all callers.
Semi-related; arch_remove_memory() returns int, but callers ignore it.
Is that worth cleaning up? If so, should the implementations be
simplified, or should we maybe do a pr_error() or something with it?
--
Reza Arbab
WARNING: multiple messages have this Message-ID (diff)
From: Reza Arbab <arbab@linux.vnet.ibm.com>
To: Michal Hocko <mhocko@kernel.org>
Cc: linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>, Vlastimil Babka <vbabka@suse.cz>,
Andrea Arcangeli <aarcange@redhat.com>,
Yasuaki Ishimatsu <yasu.isimatu@gmail.com>,
Tang Chen <tangchen@cn.fujitsu.com>,
qiuxishi@huawei.com, Kani Toshimitsu <toshi.kani@hpe.com>,
slaoub@gmail.com, Joonsoo Kim <js1304@gmail.com>,
Andi Kleen <ak@linux.intel.com>,
Zhang Zhen <zhenzhang.zhang@huawei.com>,
David Rientjes <rientjes@google.com>,
Daniel Kiper <daniel.kiper@oracle.com>,
Igor Mammedov <imammedo@redhat.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH 3/6] mm: remove return value from init_currently_empty_zone
Date: Mon, 3 Apr 2017 16:22:32 -0500 [thread overview]
Message-ID: <20170403212232.s3zynq2hh6hpnefr@arbab-laptop> (raw)
In-Reply-To: <20170330115454.32154-4-mhocko@kernel.org>
On Thu, Mar 30, 2017 at 01:54:51PM +0200, Michal Hocko wrote:
>init_currently_empty_zone doesn't have any error to return yet it is
>still an int and callers try to be defensive and try to handle potential
>error. Remove this nonsense and simplify all callers.
Semi-related; arch_remove_memory() returns int, but callers ignore it.
Is that worth cleaning up? If so, should the implementations be
simplified, or should we maybe do a pr_error() or something with it?
--
Reza Arbab
--
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next prev parent reply other threads:[~2017-04-03 21:22 UTC|newest]
Thread overview: 140+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 11:54 [PATCH 0/6] mm: make movable onlining suck less Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-30 11:54 ` [PATCH 1/6] mm: get rid of zone_is_initialized Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-31 3:39 ` Hillf Danton
2017-03-31 3:39 ` Hillf Danton
2017-03-31 6:43 ` Michal Hocko
2017-03-31 6:43 ` Michal Hocko
2017-03-31 6:48 ` Michal Hocko
2017-03-31 6:48 ` Michal Hocko
2017-03-31 7:39 ` [PATCH v1 " Michal Hocko
2017-03-31 7:39 ` Michal Hocko
2017-04-05 8:14 ` Michal Hocko
2017-04-05 8:14 ` Michal Hocko
2017-04-05 9:06 ` Igor Mammedov
2017-04-05 9:06 ` Igor Mammedov
2017-04-05 9:23 ` Michal Hocko
2017-04-05 9:23 ` Michal Hocko
2017-03-30 11:54 ` [PATCH 2/6] mm, tile: drop arch_{add,remove}_memory Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-30 15:41 ` Chris Metcalf
2017-03-30 15:41 ` Chris Metcalf
2017-03-30 11:54 ` [PATCH 3/6] mm: remove return value from init_currently_empty_zone Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-31 3:49 ` Hillf Danton
2017-03-31 3:49 ` Hillf Danton
2017-03-31 6:49 ` Michal Hocko
2017-03-31 6:49 ` Michal Hocko
2017-03-31 7:06 ` Hillf Danton
2017-03-31 7:06 ` Hillf Danton
2017-03-31 7:18 ` Michal Hocko
2017-03-31 7:18 ` Michal Hocko
2017-03-31 7:43 ` Michal Hocko
2017-03-31 7:43 ` Michal Hocko
2017-04-03 21:22 ` Reza Arbab [this message]
2017-04-03 21:22 ` Reza Arbab
2017-04-04 7:30 ` Michal Hocko
2017-04-04 7:30 ` Michal Hocko
2017-03-30 11:54 ` [PATCH 4/6] mm, memory_hotplug: use node instead of zone in can_online_high_movable Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-30 11:54 ` [PATCH 5/6] mm, memory_hotplug: do not associate hotadded memory to zones until online Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-31 6:18 ` Hillf Danton
2017-03-31 6:18 ` Hillf Danton
2017-03-31 6:50 ` Michal Hocko
2017-03-31 6:50 ` Michal Hocko
2017-04-04 12:21 ` Tobias Regnery
2017-04-04 12:21 ` Tobias Regnery
2017-04-04 12:45 ` Michal Hocko
2017-04-04 12:45 ` Michal Hocko
2017-04-06 8:14 ` Michal Hocko
2017-04-06 8:14 ` Michal Hocko
2017-04-06 12:46 ` Michal Hocko
2017-04-06 12:46 ` Michal Hocko
2017-03-30 11:54 ` [PATCH 6/6] mm, memory_hotplug: remove unused cruft after memory hotplug rework Michal Hocko
2017-03-30 11:54 ` Michal Hocko
2017-03-31 7:46 ` Michal Hocko
2017-03-31 7:46 ` Michal Hocko
2017-03-31 19:19 ` [PATCH 0/6] mm: make movable onlining suck less Heiko Carstens
2017-03-31 19:19 ` Heiko Carstens
2017-04-03 7:34 ` Michal Hocko
2017-04-03 7:34 ` Michal Hocko
2017-04-03 11:55 ` Michal Hocko
2017-04-03 11:55 ` Michal Hocko
2017-04-03 12:20 ` Igor Mammedov
2017-04-03 12:20 ` Igor Mammedov
2017-04-03 19:58 ` Reza Arbab
2017-04-03 19:58 ` Reza Arbab
2017-04-03 20:23 ` Michal Hocko
2017-04-03 20:23 ` Michal Hocko
2017-04-03 20:42 ` Reza Arbab
2017-04-03 20:42 ` Reza Arbab
2017-04-04 7:23 ` Michal Hocko
2017-04-04 7:23 ` Michal Hocko
2017-04-04 7:34 ` Michal Hocko
2017-04-04 7:34 ` Michal Hocko
2017-04-04 8:23 ` Michal Hocko
2017-04-04 8:23 ` Michal Hocko
2017-04-04 15:59 ` Reza Arbab
2017-04-04 15:59 ` Reza Arbab
2017-04-04 16:02 ` Reza Arbab
2017-04-04 16:02 ` Reza Arbab
2017-04-04 16:44 ` Michal Hocko
2017-04-04 16:44 ` Michal Hocko
2017-04-04 18:30 ` Reza Arbab
2017-04-04 18:30 ` Reza Arbab
2017-04-04 19:41 ` Michal Hocko
2017-04-04 19:41 ` Michal Hocko
2017-04-04 21:43 ` Reza Arbab
2017-04-04 21:43 ` Reza Arbab
2017-04-05 6:42 ` Michal Hocko
2017-04-05 6:42 ` Michal Hocko
2017-04-05 9:24 ` Michal Hocko
2017-04-05 9:24 ` Michal Hocko
2017-04-05 14:53 ` Reza Arbab
2017-04-05 14:53 ` Reza Arbab
2017-04-05 15:42 ` Michal Hocko
2017-04-05 15:42 ` Michal Hocko
2017-04-05 17:32 ` Reza Arbab
2017-04-05 17:32 ` Reza Arbab
2017-04-05 18:15 ` Michal Hocko
2017-04-05 18:15 ` Michal Hocko
2017-04-05 19:39 ` Michal Hocko
2017-04-05 19:39 ` Michal Hocko
2017-04-05 21:02 ` Michal Hocko
2017-04-05 21:02 ` Michal Hocko
2017-04-06 11:07 ` Michal Hocko
2017-04-06 11:07 ` Michal Hocko
2017-04-05 15:48 ` Reza Arbab
2017-04-05 15:48 ` Reza Arbab
2017-04-05 16:34 ` Michal Hocko
2017-04-05 16:34 ` Michal Hocko
2017-04-05 20:55 ` Reza Arbab
2017-04-05 20:55 ` Reza Arbab
2017-04-06 9:25 ` Michal Hocko
2017-04-06 9:25 ` Michal Hocko
2017-04-05 13:52 ` Michal Hocko
2017-04-05 13:52 ` Michal Hocko
2017-04-05 15:23 ` Reza Arbab
2017-04-05 15:23 ` Reza Arbab
2017-04-05 6:36 ` Michal Hocko
2017-04-05 6:36 ` Michal Hocko
2017-04-06 13:08 ` Michal Hocko
2017-04-06 13:08 ` Michal Hocko
2017-04-06 15:24 ` Reza Arbab
2017-04-06 15:24 ` Reza Arbab
2017-04-06 15:41 ` Michal Hocko
2017-04-06 15:41 ` Michal Hocko
2017-04-06 15:46 ` Reza Arbab
2017-04-06 15:46 ` Reza Arbab
2017-04-06 16:21 ` Michal Hocko
2017-04-06 16:21 ` Michal Hocko
2017-04-06 16:24 ` Mel Gorman
2017-04-06 16:24 ` Mel Gorman
2017-04-06 16:55 ` Mel Gorman
2017-04-06 16:55 ` Mel Gorman
2017-04-06 17:12 ` Michal Hocko
2017-04-06 17:12 ` Michal Hocko
2017-04-06 17:46 ` Mel Gorman
2017-04-06 17:46 ` Mel Gorman
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