The patch titled
Subject: fsdax: depend on ZONE_DEVICE || FS_DAX_LIMITED
has been added to the -mm tree. Its filename is
fsdax-depend-on-zone_device-fs_dax_limited.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/fsdax-depend-on-zone_device-fs_dax_limited.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/fsdax-depend-on-zone_device-fs_dax_limited.patch
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------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxx>
Subject: fsdax: depend on ZONE_DEVICE || FS_DAX_LIMITED
Add a depends on ZONE_DEVICE support or the s390-specific limited DAX
support, as one of the two is required at runtime for fsdax code to
actually work.
Link: https://lkml.kernel.org/r/20220210072828.2930359-9-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Tested-by: "Sierra Guiza, Alejandro (Alex)" <alex.sierra@xxxxxxx>
Cc: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: Alistair Popple <apopple@xxxxxxxxxx>
Cc: Ben Skeggs <bskeggs@xxxxxxxxxx>
Cc: Chaitanya Kulkarni <kch@xxxxxxxxxx>
Cc: Christian Knig <christian.koenig@xxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Cc: Felix Kuehling <Felix.Kuehling@xxxxxxx>
Cc: Karol Herbst <kherbst@xxxxxxxxxx>
Cc: Lyude Paul <lyude@xxxxxxxxxx>
Cc: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: "Pan, Xinhui" <Xinhui.Pan@xxxxxxx>
Cc: Ralph Campbell <rcampbell@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/Kconfig~fsdax-depend-on-zone_device-fs_dax_limited
+++ a/fs/Kconfig
@@ -48,6 +48,7 @@ config FS_DAX
bool "File system based Direct Access (DAX) support"
depends on MMU
depends on !(ARM || MIPS || SPARC)
+ depends on ZONE_DEVICE || FS_DAX_LIMITED
select FS_IOMAP
select DAX
help
_
Patches currently in -mm which might be from hch@xxxxxx are
mm-unexport-page_init_poison.patch
mm-remove-a-pointless-config_zone_device-check-in-memremap_pages.patch
mm-remove-the-__kernel__-guard-from-linux-mmh.patch
mm-remove-pointless-includes-from-linux-hmmh.patch
mm-move-free_devmap_managed_page-to-memremapc.patch
mm-simplify-freeing-of-devmap-managed-pages.patch
mm-dont-include-linux-memremaph-in-linux-mmh.patch
mm-remove-the-extra-zone_device-struct-page-refcount.patch
fsdax-depend-on-zone_device-fs_dax_limited.patch
mm-generalize-the-pgmap-based-page_free-infrastructure.patch
mm-refactor-check_and_migrate_movable_pages.patch
mm-refactor-the-zone_device-handling-in-migrate_vma_insert_page.patch
mm-refactor-the-zone_device-handling-in-migrate_vma_pages.patch
mm-move-the-migrate_vma_-device-migration-code-into-its-own-file.patch
mm-build-migrate_vma_-for-all-configs-with-zone_device-support.patch
mm-add-zone-device-coherent-type-memory-support.patch
mm-add-device-coherent-vma-selection-for-memory-migration.patch
