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@xxxxxx> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> --- drivers/gpu/drm/nouveau/Kconfig | 1 + mm/Kconfig | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 66c839d8e9d1..96b9814e6d06 100644 --- 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 index 1e426c26b1d6..40cf0562412d 100644 --- 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". -- 2.20.1