From: Dan Williams <dan.j.williams@intel.com>
To: David Hildenbrand <david@redhat.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 09:19:43 -0700 [thread overview]
Message-ID: <CAPcyv4jzELzrf-p6ujUwdXN2FRe0WCNhpTziP2-z4-8uBSSp7A@mail.gmail.com> (raw)
In-Reply-To: <70f3559b-2832-67eb-0715-ed9f856f6ed9@redhat.com>
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.
next prev parent reply other threads:[~2019-06-20 16:19 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 [this message]
2019-06-20 16:35 ` David Hildenbrand
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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