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authorChristoph Hellwig <hch@lst.de>2019-08-14 09:59:28 +0200
committerJason Gunthorpe <jgg@mellanox.com>2019-08-20 09:35:03 -0300
commit9b2ed9cb975c63f5534daaebeb225ab52b589372 (patch)
treecaa82e286680cb3c071aed55bd168dcfb28dcaaa
parent06d462beb470d361ffa8bd7b3d865509a8606987 (diff)
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>
-rw-r--r--drivers/gpu/drm/nouveau/Kconfig1
-rw-r--r--mm/Kconfig3
-rw-r--r--mm/migrate.c4
3 files changed, 2 insertions, 6 deletions
diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig
index df4352c279ba..3558df043592 100644
--- a/drivers/gpu/drm/nouveau/Kconfig
+++ b/drivers/gpu/drm/nouveau/Kconfig
@@ -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
diff --git a/mm/Kconfig b/mm/Kconfig
index 563436dc1f24..2fe4902ad755 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -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
diff --git a/mm/migrate.c b/mm/migrate.c
index f4f5ae5ae44f..2cff57e7116e 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -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 */