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From: Oscar Salvador <osalvador@suse.de>
To: Dan Williams <dan.j.williams@intel.com>
Cc: akpm@linux-foundation.org, "David Hildenbrand" <david@redhat.com>,
	"Jane Chu" <jane.chu@oracle.com>,
	"Michael Ellerman" <mpe@ellerman.id.au>,
	"Pavel Tatashin" <pasha.tatashin@soleen.com>,
	"Benjamin Herrenschmidt" <benh@kernel.crashing.org>,
	"Robin Murphy" <robin.murphy@arm.com>,
	"Anshuman Khandual" <anshuman.khandual@arm.com>,
	"Logan Gunthorpe" <logang@deltatee.com>,
	"Paul Mackerras" <paulus@samba.org>,
	"Toshi Kani" <toshi.kani@hpe.com>,
	"Jeff Moyer" <jmoyer@redhat.com>,
	"Michal Hocko" <mhocko@suse.com>,
	"Vlastimil Babka" <vbabka@suse.cz>,
	stable@vger.kernel.org, "Jérôme Glisse" <jglisse@redhat.com>,
	linux-nvdimm@lists.01.org, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 00/12] mm: Sub-section memory hotplug support
Date: Tue, 4 Jun 2019 09:41:00 +0200	[thread overview]
Message-ID: <20190604074056.GA2853@linux> (raw)
In-Reply-To: <155718596657.130019.17139634728875079809.stgit@dwillia2-desk3.amr.corp.intel.com>

On Mon, May 06, 2019 at 04:39:26PM -0700, Dan Williams wrote:
> Changes since v7 [1]:
> 
> - Make subsection helpers pfn based rather than physical-address based
>   (Oscar and Pavel)
> 
> - Make subsection bitmap definition scalable for different section and
>   sub-section sizes across architectures. As a result:
> 
>       unsigned long map_active
> 
>   ...is converted to:
> 
>       DECLARE_BITMAP(subsection_map, SUBSECTIONS_PER_SECTION)
> 
>   ...and the helpers are renamed with a 'subsection' prefix. (Pavel)
> 
> - New in this version is a touch of arch/powerpc/include/asm/sparsemem.h
>   in "[PATCH v8 01/12] mm/sparsemem: Introduce struct mem_section_usage"
>   to define ARCH_SUBSECTION_SHIFT.
> 
> - Drop "mm/sparsemem: Introduce common definitions for the size and mask
>   of a section" in favor of Robin's "mm/memremap: Rename and consolidate
>   SECTION_SIZE" (Pavel)
> 
> - Collect some more Reviewed-by tags. Patches that still lack review
>   tags: 1, 3, 9 - 12

Hi Dan,

are you planning to send V10 anytime soon?

After you addressed comments from Patch#9, the general implementation looks
fine to me and nothing sticked out from the other patches.
But I would rather wait to see v10 with the comments addressed before stamping
my Reviewed-by.

I am planning to fire my vmemmap patchset again [1], and I would like to re-base
it on top of this work, otherwise we will face many unnecessary collisions.

Thanks

[1] https://patchwork.kernel.org/patch/10875025/

-- 
Oscar Salvador
SUSE L3

      parent reply	other threads:[~2019-06-04  7:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-06 23:39 Dan Williams
2019-05-06 23:39 ` [PATCH v8 01/12] mm/sparsemem: Introduce struct mem_section_usage Dan Williams
2019-05-10 13:30   ` osalvador
2019-05-10 19:38     ` Dan Williams
2019-05-06 23:39 ` [PATCH v8 02/12] mm/memremap: Rename and consolidate SECTION_SIZE Dan Williams
2019-05-06 23:39 ` [PATCH v8 03/12] mm/sparsemem: Add helpers track active portions of a section at boot Dan Williams
2019-05-10 12:56   ` osalvador
2019-05-06 23:39 ` [PATCH v8 04/12] mm/hotplug: Prepare shrink_{zone, pgdat}_span for sub-section removal Dan Williams
2019-05-06 23:39 ` [PATCH v8 05/12] mm/sparsemem: Convert kmalloc_section_memmap() to populate_section_memmap() Dan Williams
2019-05-06 23:39 ` [PATCH v8 06/12] mm/hotplug: Kill is_dev_zone() usage in __remove_pages() Dan Williams
2019-05-06 23:40 ` [PATCH v8 07/12] mm: Kill is_dev_zone() helper Dan Williams
2019-05-06 23:40 ` [PATCH v8 08/12] mm/sparsemem: Prepare for sub-section ranges Dan Williams
2019-05-10 13:00   ` osalvador
2019-05-06 23:40 ` [PATCH v8 09/12] mm/sparsemem: Support sub-section hotplug Dan Williams
2019-05-08 23:15   ` Oscar Salvador
2019-05-13 13:54   ` Oscar Salvador
2019-06-04  4:47     ` Dan Williams
2019-05-06 23:40 ` [PATCH v8 10/12] mm/devm_memremap_pages: Enable sub-section remap Dan Williams
2019-05-06 23:40 ` [PATCH v8 11/12] libnvdimm/pfn: Fix fsdax-mode namespace info-block zero-fields Dan Williams
2019-05-06 23:40 ` [PATCH v8 12/12] libnvdimm/pfn: Stop padding pmem namespaces to section alignment Dan Williams
2019-05-13 21:01 ` [PATCH v8 00/12] mm: Sub-section memory hotplug support Mike Rapoport
2019-05-13 21:11   ` Dan Williams
2019-06-04  7:41 ` Oscar Salvador [this message]

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