mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR

The migrate_vma helper is only used by noveau to migrate device private pages around. Other HMM_MIRROR users like amdgpu or infiniband don't need it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
mariux64 · Jul 2, 2019 · b6b346a · b6b346a
1 parent 43535b0
commit b6b346a
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diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
@@ -88,6 +88,7 @@ config DRM_NOUVEAU_SVM
 	depends on DRM_NOUVEAU
 	depends on HMM_MIRROR
 	depends on STAGING
+	select MIGRATE_VMA_HELPER
 	default n
 	help
 	  Say Y here if you want to enable experimental support for

diff --git a/mm/Kconfig b/mm/Kconfig
@@ -680,7 +680,6 @@ config HMM_MIRROR
 	depends on (X86_64 || PPC64)
 	depends on MMU && 64BIT
 	select MMU_NOTIFIER
-	select MIGRATE_VMA_HELPER
 	help
 	  Select HMM_MIRROR if you want to mirror range of the CPU page table of a
 	  process into a device page table. Here, mirror means "keep synchronized".