The patch titled Subject: mm/hotplug: kill is_dev_zone() usage in __remove_pages() has been removed from the -mm tree. Its filename was mm-hotplug-kill-is_dev_zone-usage-in-__remove_pages.patch This patch was dropped because other changes were merged, which wrecked this patch ------------------------------------------------------ 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/156092352642.979959.6664333788149363039.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> Reviewed-by: Oscar Salvador <osalvador@xxxxxxx> Tested-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> [ppc64] Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx> Cc: Pavel Tatashin <pasha.tatashin@xxxxxxxxxx> Cc: Jane Chu <jane.chu@xxxxxxxxxx> Cc: Jeff Moyer <jmoyer@xxxxxxxxxx> Cc: Jérôme Glisse <jglisse@xxxxxxxxxx> Cc: Jonathan Corbet <corbet@xxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> Cc: Toshi Kani <toshi.kani@xxxxxxx> Cc: Vlastimil Babka <vbabka@xxxxxxx> Cc: Wei Yang <richardw.yang@xxxxxxxxxxxxxxx> 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