From: David Hildenbrand <david@redhat.com>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>, Vlastimil Babka <vbabka@suse.cz>,
Logan Gunthorpe <logang@deltatee.com>,
Oscar Salvador <osalvador@suse.de>,
Pavel Tatashin <pasha.tatashin@soleen.com>,
Linux MM <linux-mm@kvack.org>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v10 08/13] mm/sparsemem: Prepare for sub-section ranges
Date: Thu, 20 Jun 2019 18:35:54 +0200 [thread overview]
Message-ID: <d62e1f2f-70db-da84-5cc3-01fab779aeb7@redhat.com> (raw)
In-Reply-To: <CAPcyv4jzELzrf-p6ujUwdXN2FRe0WCNhpTziP2-z4-8uBSSp7A@mail.gmail.com>
On 20.06.19 18:19, Dan Williams wrote:
> On Thu, Jun 20, 2019 at 3:31 AM David Hildenbrand <david@redhat.com> wrote:
>>
>> On 19.06.19 07:52, Dan Williams wrote:
>>> Prepare the memory hot-{add,remove} paths for handling sub-section
>>> ranges by plumbing the starting page frame and number of pages being
>>> handled through arch_{add,remove}_memory() to
>>> sparse_{add,remove}_one_section().
>>>
>>> This is simply plumbing, small cleanups, and some identifier renames. No
>>> intended functional changes.
>>>
>>> Cc: Michal Hocko <mhocko@suse.com>
>>> Cc: Vlastimil Babka <vbabka@suse.cz>
>>> Cc: Logan Gunthorpe <logang@deltatee.com>
>>> Cc: Oscar Salvador <osalvador@suse.de>
>>> Reviewed-by: Pavel Tatashin <pasha.tatashin@soleen.com>
>>> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
>>> ---
>>> include/linux/memory_hotplug.h | 5 +-
>>> mm/memory_hotplug.c | 114 +++++++++++++++++++++++++---------------
>>> mm/sparse.c | 16 ++----
>>> 3 files changed, 81 insertions(+), 54 deletions(-)
> [..]
>>> @@ -528,31 +556,31 @@ static void __remove_section(struct zone *zone, struct mem_section *ms,
>>> * sure that pages are marked reserved and zones are adjust properly by
>>> * calling offline_pages().
>>> */
>>> -void __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
>>> +void __remove_pages(struct zone *zone, unsigned long pfn,
>>> unsigned long nr_pages, struct vmem_altmap *altmap)
>>> {
>>> - unsigned long i;
>>> unsigned long map_offset = 0;
>>> - int sections_to_remove;
>>> + int i, start_sec, end_sec;
>>
>> As mentioned in v9, use "unsigned long" for start_sec and end_sec please.
>
> Honestly I saw you and Andrew going back and forth about "unsigned
> long i" that I thought this would be handled by a follow on patchset
> when that debate settled.
>
I'll send a fixup then, once this patch set is final - hoping I won't
forget about it (that's why I asked about using these types in the first
place).
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2019-06-20 16:35 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 5:51 [PATCH v10 00/13] mm: Sub-section memory hotplug support Dan Williams
2019-06-19 5:51 ` [PATCH v10 01/13] mm/sparsemem: Introduce struct mem_section_usage Dan Williams
2019-06-19 5:51 ` [PATCH v10 02/13] mm/sparsemem: Introduce a SECTION_IS_EARLY flag Dan Williams
2019-06-24 17:54 ` Oscar Salvador
2019-06-19 5:51 ` [PATCH v10 03/13] mm/sparsemem: Add helpers track active portions of a section at boot Dan Williams
2019-06-24 17:57 ` Oscar Salvador
2019-06-19 5:51 ` [PATCH v10 04/13] mm/hotplug: Prepare shrink_{zone, pgdat}_span for sub-section removal Dan Williams
2019-06-19 5:52 ` [PATCH v10 05/13] mm/sparsemem: Convert kmalloc_section_memmap() to populate_section_memmap() Dan Williams
2019-06-24 18:00 ` Oscar Salvador
2019-06-19 5:52 ` [PATCH v10 06/13] mm/hotplug: Kill is_dev_zone() usage in __remove_pages() Dan Williams
2019-06-19 5:52 ` [PATCH v10 07/13] mm: Kill is_dev_zone() helper Dan Williams
2019-06-19 5:52 ` [PATCH v10 08/13] mm/sparsemem: Prepare for sub-section ranges Dan Williams
2019-06-20 10:31 ` David Hildenbrand
2019-06-20 16:19 ` Dan Williams
2019-06-20 16:35 ` David Hildenbrand [this message]
2019-06-20 16:56 ` Dan Williams
2019-06-24 18:05 ` Oscar Salvador
2019-06-19 5:52 ` [PATCH v10 09/13] mm/sparsemem: Support sub-section hotplug Dan Williams
2019-06-24 20:45 ` Oscar Salvador
2019-06-19 5:52 ` [PATCH v10 10/13] mm: Document ZONE_DEVICE memory-model implications Dan Williams
2019-06-20 12:30 ` Mike Rapoport
2019-06-19 5:52 ` [PATCH v10 11/13] mm/devm_memremap_pages: Enable sub-section remap Dan Williams
2019-06-19 5:52 ` [PATCH v10 12/13] libnvdimm/pfn: Fix fsdax-mode namespace info-block zero-fields Dan Williams
2019-06-19 16:30 ` Aneesh Kumar K.V
2019-06-19 17:06 ` Dan Williams
2019-06-19 5:52 ` [PATCH v10 13/13] libnvdimm/pfn: Stop padding pmem namespaces to section alignment Dan Williams
2019-06-20 12:30 ` [PATCH v10 00/13] mm: Sub-section memory hotplug support Aneesh Kumar K.V
2019-06-20 16:30 ` Dan Williams
2019-06-20 17:00 ` Oscar Salvador
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