diff options
| author |   Christoph Hellwig <hch@lst.de> | 2019-06-13 22:50:49 +0200 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 14:32:43 -0300 |
| commit | 25b2995a35b609119cf96f6b62eccd56c0234c7d (patch) | |
| tree | 308e7083b213b09ac1c8c5bcf08e42044efd9fcd /include/linux/memremap.h | |
| parent | mm: remove the struct hmm_device infrastructure (diff) | |
| download | linux-dev-25b2995a35b609119cf96f6b62eccd56c0234c7d.tar.xz linux-dev-25b2995a35b609119cf96f6b62eccd56c0234c7d.zip | |
mm: remove MEMORY_DEVICE_PUBLIC support
The code hasn't been used since it was added to the tree, and doesn't
appear to actually be usable.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/linux/memremap.h')
| -rw-r--r-- | include/linux/memremap.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 1732dea030b2..995c62c5a48b 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -37,13 +37,6 @@ struct vmem_altmap { * A more complete discussion of unaddressable memory may be found in * include/linux/hmm.h and Documentation/vm/hmm.rst. * - * MEMORY_DEVICE_PUBLIC: - * Device memory that is cache coherent from device and CPU point of view. This - * is use on platform that have an advance system bus (like CAPI or CCIX). A - * driver can hotplug the device memory using ZONE_DEVICE and with that memory - * type. Any page of a process can be migrated to such memory. However no one - * should be allow to pin such memory so that it can always be evicted. - * * MEMORY_DEVICE_FS_DAX: * Host memory that has similar access semantics as System RAM i.e. DMA * coherent and supports page pinning. In support of coordinating page @@ -58,7 +51,6 @@ struct vmem_altmap { */ enum memory_type { MEMORY_DEVICE_PRIVATE = 1, - MEMORY_DEVICE_PUBLIC, MEMORY_DEVICE_FS_DAX, MEMORY_DEVICE_PCI_P2PDMA, }; |