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From: Leonardo Bras <leonardo@linux.ibm.com>
To: Oscar Salvador <osalvador@suse.de>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: "Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Mike Rapoport" <rppt@linux.ibm.com>,
	"Michal Hocko" <mhocko@suse.com>,
	"Pavel Tatashin" <pasha.tatashin@oracle.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Pasha Tatashin" <Pavel.Tatashin@microsoft.com>,
	"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>
Subject: Re: [PATCH 1/1] mm/memory_hotplug: Adds option to hot-add memory in ZONE_MOVABLE
Date: Thu, 18 Jul 2019 12:50:29 -0300	[thread overview]
Message-ID: <0e67afe465cbbdf6ec9b122f596910cae77bc734.camel@linux.ibm.com> (raw)
In-Reply-To: <1563430353.3077.1.camel@suse.de>

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On Thu, 2019-07-18 at 08:12 +0200, Oscar Salvador wrote:
> We do already have "movable_node" boot option, which exactly has that
> effect.
> Any hotplugged range will be placed in ZONE_MOVABLE.
Oh, I was not aware of it.

> Why do we need yet another option to achieve the same? Was not that
> enough for your case?
Well, another use of this config could be doing this boot option a
default on any given kernel. 
But in the above case I agree it would be wiser to add the code on
movable_node_is_enabled() directly, and not where I did put.

What do you think about it?

Thanks for the feedback,

Leonardo Brás

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  reply	other threads:[~2019-07-18 15:50 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18  2:41 [PATCH 1/1] mm/memory_hotplug: Adds option to hot-add memory in ZONE_MOVABLE Leonardo Bras
2019-07-18  6:12 ` Oscar Salvador
2019-07-18 15:50   ` Leonardo Bras [this message]
2019-07-18 15:57     ` Michal Hocko
2019-07-18 16:11       ` Pavel Tatashin
2019-07-18 16:40         ` Michal Hocko
2019-07-18 16:43           ` Pavel Tatashin
2019-07-18  6:26 ` Mike Rapoport
2019-07-18 12:19 ` Pavel Tatashin
2019-07-18 16:03   ` Leonardo Bras
2019-07-18 16:45     ` Pavel Tatashin

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