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Subject[PATCH v9 05/12] mm/hotplug: Kill is_dev_zone() usage in __remove_pages()
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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".

Cc: Michal Hocko <mhocko@suse.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Pavel Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
mm/memory_hotplug.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 647859a1d119..4b882c57781a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -535,11 +535,8 @@ void __remove_pages(struct zone *zone, unsigned long phys_start_pfn,
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);

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