The patch titled
Subject: mm/hotplug: kill is_dev_zone() usage in __remove_pages()
has been added to the -mm tree. Its filename is
mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch
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------------------------------------------------------
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Subject: mm/hotplug: kill is_dev_zone() usage in __remove_pages()
The zone type check was a leftover from the cleanup that plumbed altmap
through the memory hotplug path, i.e. commit da024512a1fa "mm: pass the
vmem_altmap to arch_remove_memory and __remove_pages".
Link: http://lkml.kernel.org/r/155977190749.2443951.1028412998584791672.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Jane Chu <jane.chu@xxxxxxxxxx>
Cc: Jeff Moyer <jmoyer@xxxxxxxxxx>
Cc: Jérôme Glisse <jglisse@xxxxxxxxxx>
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Toshi Kani <toshi.kani@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory_hotplug.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
--- a/mm/memory_hotplug.c~mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages
+++ a/mm/memory_hotplug.c
@@ -535,11 +535,8 @@ void __remove_pages(struct zone *zone, u
unsigned long map_offset = 0;
int sections_to_remove;
- /* In the ZONE_DEVICE case device driver owns the memory region */
- if (is_dev_zone(zone)) {
- if (altmap)
- map_offset = vmem_altmap_offset(altmap);
- }
+ if (altmap)
+ map_offset = vmem_altmap_offset(altmap);
clear_zone_contiguous(zone);
_
Patches currently in -mm which might be from dan.j.williams@xxxxxxxxx are
mm-sparsemem-introduce-struct-mem_section_usage.patch
mm-sparsemem-add-helpers-track-active-portions-of-a-section-at-boot.patch
mm-hotplug-prepare-shrink_zone-pgdat_span-for-sub-section-removal.patch
mm-sparsemem-convert-kmalloc_section_memmap-to-populate_section_memmap.patch
mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch
mm-kill-is_dev_zone-helper.patch
mm-sparsemem-prepare-for-sub-section-ranges.patch
mm-sparsemem-support-sub-section-hotplug.patch
mm-document-zone_device-memory-model-implications.patch
mm-devm_memremap_pages-enable-sub-section-remap.patch
libnvdimm-pfn-fix-fsdax-mode-namespace-info-block-zero-fields.patch
libnvdimm-pfn-stop-padding-pmem-namespaces-to-section-alignment.patch
drivers-base-devres-introduce-devm_release_action.patch
mm-devm_memremap_pages-introduce-devm_memunmap_pages.patch
pci-p2pdma-fix-the-gen_pool_add_virt-failure-path.patch
lib-genalloc-introduce-chunk-owners.patch
pci-p2pdma-track-pgmap-references-per-resource-not-globally.patch
mm-devm_memremap_pages-fix-final-page-put-race.patch
