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From: Oscar Salvador <osalvador@suse.de>
To: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Hildenbrand <david@redhat.com>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Pavel Tatashin <pasha.tatashin@soleen.com>,
	Vlastimil Babka <vbabka@suse.cz>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v9 4/8] mm,memory_hotplug: Allocate memmap from the added memory range
Date: Wed, 21 Apr 2021 10:46:41 +0200	[thread overview]
Message-ID: <20210421084641.GG22456@linux> (raw)
In-Reply-To: <YH/ktDG/9o2OHNGj@dhcp22.suse.cz>

On Wed, Apr 21, 2021 at 10:39:16AM +0200, Michal Hocko wrote:
> Not that I would insist but I find it better to use common constructs
> when it doesn't hurt readability. The order evaluation can be even done
> in a trivial helper.

Uhm, I will have a look how it looks.
Maybe with a nice comment explaining what is going on can make it in.
If not, I can always keep what we have atm.

> As I've said I will not insist and this can be done in the follow up.
> You are iterating over memory blocks just to refuse to do an operation
> which can be split to several memory blocks. See
> http://lkml.kernel.org/r/YFtPxH0CT5QZsnR1@dhcp22.suse.cz and follow
> walk_memory_blocks(start, size, NULL, remove_memory_block_cb)

Ok, thanks for the link.
I will have a look, but I would rather do it as a follow-up.

-- 
Oscar Salvador
SUSE L3


  parent reply	other threads:[~2021-04-21  8:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210416112411.9826-1-osalvador@suse.de>
2021-04-16 11:24 ` [PATCH v9 1/8] drivers/base/memory: Introduce memory_block_{online,offline} Oscar Salvador
2021-04-20  9:23   ` Michal Hocko
2021-04-16 11:24 ` [PATCH v9 2/8] mm,memory_hotplug: Relax fully spanned sections check Oscar Salvador
2021-04-20  9:40   ` Michal Hocko
2021-04-21  7:37     ` Oscar Salvador
2021-04-16 11:24 ` [PATCH v9 3/8] mm,memory_hotplug: Factor out adjusting present pages into adjust_present_page_count() Oscar Salvador
2021-04-20  9:45   ` Michal Hocko
2021-04-21  8:00     ` Oscar Salvador
2021-04-21  8:06       ` David Hildenbrand
2021-04-21  8:31       ` Michal Hocko
2021-04-21  8:35         ` Oscar Salvador
2021-04-16 11:24 ` [PATCH v9 4/8] mm,memory_hotplug: Allocate memmap from the added memory range Oscar Salvador
2021-04-20 10:56   ` Michal Hocko
2021-04-21  8:15     ` Oscar Salvador
2021-04-21  8:39       ` Michal Hocko
2021-04-21  8:44         ` David Hildenbrand
2021-04-21  8:49           ` Michal Hocko
2021-04-21  8:52             ` David Hildenbrand
2021-04-21  8:46         ` Oscar Salvador [this message]
2021-04-16 11:24 ` [PATCH v9 5/8] acpi,memhotplug: Enable MHP_MEMMAP_ON_MEMORY when supported Oscar Salvador
2021-04-16 11:24 ` [PATCH v9 6/8] mm,memory_hotplug: Add kernel boot option to enable memmap_on_memory Oscar Salvador
2021-04-16 11:24 ` [PATCH v9 7/8] x86/Kconfig: Introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE Oscar Salvador
2021-04-20 10:56   ` Michal Hocko
2021-04-16 11:24 ` [PATCH v9 8/8] arm64/Kconfig: " Oscar Salvador

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