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mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR

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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>
This commit is contained in:
Christoph Hellwig 2019-06-26 14:27:24 +02:00 committed by Jason Gunthorpe
parent 43535b0aef
commit b6b346a066
2 changed files with 1 additions and 1 deletions
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1
drivers/gpu/drm/nouveau/Kconfig
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@ -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

1
mm/Kconfig
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@ -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".