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mm: remove CONFIG_MIGRATE_VMA_HELPER 

CONFIG_MIGRATE_VMA_HELPER guards helpers that are required for proper
devic private memory support.  Remove the option and just check for
CONFIG_DEVICE_PRIVATE instead.

Link: https://lore.kernel.org/r/20190814075928.23766-11-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Christoph Hellwig 2019-08-14 09:59:28 +02:00 committed by Jason Gunthorpe
parent 06d462beb4
commit 9b2ed9cb97
3 changed files with 2 additions and 6 deletions
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1
drivers/gpu/drm/nouveau/Kconfig
View File

@ -89,7 +89,6 @@ config DRM_NOUVEAU_SVM
depends on MMU
depends on STAGING
select HMM_MIRROR
select MIGRATE_VMA_HELPER
select MMU_NOTIFIER
default n
help

3
mm/Kconfig
View File

@ -669,9 +669,6 @@ config ZONE_DEVICE
If FS_DAX is enabled, then say Y.
config MIGRATE_VMA_HELPER
bool
config DEV_PAGEMAP_OPS
bool

4
mm/migrate.c
View File

@ -2117,7 +2117,7 @@ out_unlock:
#endif /* CONFIG_NUMA */
#if defined(CONFIG_MIGRATE_VMA_HELPER)
#ifdef CONFIG_DEVICE_PRIVATE
static int migrate_vma_collect_hole(unsigned long start,
unsigned long end,
struct mm_walk *walk)
@ -2942,4 +2942,4 @@ void migrate_vma_finalize(struct migrate_vma *migrate)
}
}
EXPORT_SYMBOL(migrate_vma_finalize);
#endif /* defined(MIGRATE_VMA_HELPER) */
#endif /* CONFIG_DEVICE_PRIVATE */