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authorDan Williams <dan.j.williams@intel.com>2019-07-18 15:58:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-18 17:08:07 -0700
commit96da4350000973ef9310a10d077d65bbc017f093 (patch)
treeeff7c9744a91fce1f3d1b4a0b79136433e7b83fd /mm
parentmm/sparsemem: convert kmalloc_section_memmap() to populate_section_memmap() (diff)
downloadlinux-dev-96da4350000973ef9310a10d077d65bbc017f093.tar.xz
linux-dev-96da4350000973ef9310a10d077d65bbc017f093.zip
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@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Oscar Salvador <osalvador@suse.de> Tested-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> [ppc64] Cc: Michal Hocko <mhocko@suse.com> Cc: Logan Gunthorpe <logang@deltatee.com> Cc: Pavel Tatashin <pasha.tatashin@soleen.com> Cc: Jane Chu <jane.chu@oracle.com> Cc: Jeff Moyer <jmoyer@redhat.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Mike Rapoport <rppt@linux.ibm.com> Cc: Toshi Kani <toshi.kani@hpe.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Wei Yang <richardw.yang@linux.intel.com> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--mm/memory_hotplug.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 85467914ad23..11220044b01a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -535,9 +535,7 @@ 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))
- map_offset = vmem_altmap_offset(altmap);
+ map_offset = vmem_altmap_offset(altmap);
clear_zone_contiguous(zone);