From: Christoph Hellwig <hch@lst.de>
Date: Wed, 16 Feb 2022 15:31:38 +1100
Subject: mm: build migrate_vma_* for all configs with ZONE_DEVICE support
Git-commit: d90a25f86dc83df9ce7f1446372cda8029e87f7c
Patch-mainline: v5.18-rc1
References: jsc#PED-1294

This code will be used for device coherent memory as well in a bit,
so relax the ifdef a bit.

Link: https://lkml.kernel.org/r/20220210072828.2930359-15-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alistair Popple <apopple@nvidia.com>
Tested-by: "Sierra Guiza, Alejandro (Alex)" <alex.sierra@amd.com>

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Chaitanya Kulkarni <kch@nvidia.com>
Cc: Christian Knig <christian.koenig@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
---
 mm/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -247,7 +247,7 @@ config MIGRATION
 	  allocation instead of reclaiming.
 
 config DEVICE_MIGRATION
-	def_bool MIGRATION && DEVICE_PRIVATE
+	def_bool MIGRATION && ZONE_DEVICE
 
 config ARCH_ENABLE_HUGEPAGE_MIGRATION
 	bool