c0b1b23b9c87 ("powerpc/mm/nvdimm: Add an informative message if we fail to allocate altmap block")
9ef34630a461 ("powerpc/mm: Fallback to RAM if the altmap is unusable")
a8fc357b2875 ("mm: split altmap memory map allocation from normal case")
24b6d4164348 ("mm: pass the vmem_altmap to vmemmap_free")
7b73d978a5d0 ("mm: pass the vmem_altmap to vmemmap_populate")