From: Michal Hocko <mhocko@suse.com>
To: osalvador <osalvador@suse.de>
Cc: Wei Yang <richard.weiyang@gmail.com>,
akpm@linux-foundation.org, dave.hansen@intel.com,
linux-mm@kvack.org
Subject: Re: [PATCH] mm, page_alloc: fix calculation of pgdat->nr_zones
Date: Mon, 19 Nov 2018 11:20:30 +0100 [thread overview]
Message-ID: <20181119102030.GD22247@dhcp22.suse.cz> (raw)
In-Reply-To: <1542622061.3002.6.camel@suse.de>
On Mon 19-11-18 11:07:41, osalvador wrote:
[...]
> One thing I was wondering is that if we also should re-adjust it when a
> zone gets emptied during offlining memory.
> I checked, and whenever we work wirh pgdat->nr_zones we seem to check
> if the zone is populated in order to work with it.
> But still, I wonder if we should re-adjust it.
I would rather not because we are not really deallocating zones and once
you want to shrink it you have to linearize all the loops depending on
it.
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2018-11-19 10:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-17 2:20 Wei Yang
2018-11-19 6:38 ` Anshuman Khandual
2018-11-20 3:22 ` Wei Yang
2018-11-19 9:48 ` Michal Hocko
2018-11-19 13:38 ` Michal Hocko
2018-12-04 9:05 ` Sasha Levin
2018-12-04 9:11 ` Wei Yang
2018-11-19 10:07 ` osalvador
2018-11-19 10:20 ` Michal Hocko [this message]
2018-11-19 14:15 ` Wei Yang
2018-11-19 14:23 ` Michal Hocko
2018-11-19 21:44 ` Wei Yang
2018-11-19 21:47 ` Michal Hocko
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