From: Michal Hocko <mhocko@kernel.org>
To: Reza Arbab <arbab@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>,
linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
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>,
Chris Metcalf <cmetcalf@mellanox.com>,
Dan Williams <dan.j.williams@gmail.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>
Subject: Re: [PATCH 0/6] mm: make movable onlining suck less
Date: Tue, 4 Apr 2017 18:44:53 +0200 [thread overview]
Message-ID: <20170404164452.GQ15132@dhcp22.suse.cz> (raw)
In-Reply-To: <20170404160239.ftvuxklioo6zvuxl@arbab-laptop>
On Tue 04-04-17 11:02:39, Reza Arbab wrote:
> On Tue, Apr 04, 2017 at 10:23:02AM +0200, Michal Hocko wrote:
> >diff --git a/drivers/base/node.c b/drivers/base/node.c
> >index 5548f9686016..ee080a35e869 100644
> >--- a/drivers/base/node.c
> >+++ b/drivers/base/node.c
> >@@ -368,8 +368,6 @@ int unregister_cpu_under_node(unsigned int cpu, unsigned int nid)
> >}
> >
> >#ifdef CONFIG_MEMORY_HOTPLUG_SPARSE
> >-#define page_initialized(page) (page->lru.next)
> >-
> >static int __ref get_nid_for_pfn(unsigned long pfn)
> >{
> > struct page *page;
> >@@ -380,9 +378,6 @@ static int __ref get_nid_for_pfn(unsigned long pfn)
> > if (system_state == SYSTEM_BOOTING)
> > return early_pfn_to_nid(pfn);
> >#endif
> >- page = pfn_to_page(pfn);
> >- if (!page_initialized(page))
> >- return -1;
> > return pfn_to_nid(pfn);
> >}
> >
>
> You can get rid of 'page' altogether.
>
> drivers/base/node.c: In function a??get_nid_for_pfna??:
> drivers/base/node.c:373:15: warning: unused variable a??pagea?? [-Wunused-variable]
Right, updated.
Thanks for your testing! This is highly appreciated.
Can I assume your Tested-by?
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-04-04 16:44 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 11:54 Michal Hocko
2017-03-30 11:54 ` [PATCH 1/6] mm: get rid of zone_is_initialized Michal Hocko
2017-03-31 3:39 ` Hillf Danton
2017-03-31 6:43 ` Michal Hocko
2017-03-31 6:48 ` Michal Hocko
2017-03-31 7:39 ` [PATCH v1 " Michal Hocko
2017-04-05 8:14 ` Michal Hocko
2017-04-05 9:06 ` Igor Mammedov
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 15:41 ` Chris Metcalf
2017-03-30 11:54 ` [PATCH 3/6] mm: remove return value from init_currently_empty_zone Michal Hocko
2017-03-31 3:49 ` Hillf Danton
2017-03-31 6:49 ` Michal Hocko
2017-03-31 7:06 ` Hillf Danton
2017-03-31 7:18 ` Michal Hocko
2017-03-31 7:43 ` Michal Hocko
2017-04-03 21:22 ` Reza Arbab
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 ` [PATCH 5/6] mm, memory_hotplug: do not associate hotadded memory to zones until online Michal Hocko
2017-03-31 6:18 ` Hillf Danton
2017-03-31 6:50 ` Michal Hocko
2017-04-04 12:21 ` Tobias Regnery
2017-04-04 12:45 ` Michal Hocko
2017-04-06 8:14 ` 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
2017-03-31 7:46 ` Michal Hocko
2017-03-31 19:19 ` [PATCH 0/6] mm: make movable onlining suck less Heiko Carstens
2017-04-03 7:34 ` Michal Hocko
2017-04-03 11:55 ` Michal Hocko
2017-04-03 12:20 ` Igor Mammedov
2017-04-03 19:58 ` Reza Arbab
2017-04-03 20:23 ` Michal Hocko
2017-04-03 20:42 ` Reza Arbab
2017-04-04 7:23 ` Michal Hocko
2017-04-04 7:34 ` Michal Hocko
2017-04-04 8:23 ` Michal Hocko
2017-04-04 15:59 ` Reza Arbab
2017-04-04 16:02 ` Reza Arbab
2017-04-04 16:44 ` Michal Hocko [this message]
2017-04-04 18:30 ` Reza Arbab
2017-04-04 19:41 ` Michal Hocko
2017-04-04 21:43 ` Reza Arbab
2017-04-05 6:42 ` Michal Hocko
2017-04-05 9:24 ` Michal Hocko
2017-04-05 14:53 ` Reza Arbab
2017-04-05 15:42 ` Michal Hocko
2017-04-05 17:32 ` Reza Arbab
2017-04-05 18:15 ` Michal Hocko
2017-04-05 19:39 ` Michal Hocko
2017-04-05 21:02 ` Michal Hocko
2017-04-06 11:07 ` Michal Hocko
2017-04-05 15:48 ` Reza Arbab
2017-04-05 16:34 ` Michal Hocko
2017-04-05 20:55 ` Reza Arbab
2017-04-06 9:25 ` Michal Hocko
2017-04-05 13:52 ` Michal Hocko
2017-04-05 15:23 ` Reza Arbab
2017-04-05 6:36 ` Michal Hocko
2017-04-06 13:08 ` Michal Hocko
2017-04-06 15:24 ` Reza Arbab
2017-04-06 15:41 ` Michal Hocko
2017-04-06 15:46 ` Reza Arbab
2017-04-06 16:21 ` Michal Hocko
2017-04-06 16:24 ` Mel Gorman
2017-04-06 16:55 ` Mel Gorman
2017-04-06 17:12 ` Michal Hocko
2017-04-06 17:46 ` Mel Gorman
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