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Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 254db99f263d..ec27855db133 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -676,7 +676,7 @@ config ARCH_HAS_ZONE_DEVICE bool config ZONE_DEVICE - bool "Device memory (pmem, etc...) hotplug support" + bool "Device memory (pmem, HMM, etc...) hotplug support" depends on MEMORY_HOTPLUG depends on MEMORY_HOTREMOVE depends on SPARSEMEM_VMEMMAP @@ -717,6 +717,15 @@ config HMM_MIRROR page tables (at PAGE_SIZE granularity), and must be able to recover from the resulting potential page faults. +config DEVICE_PRIVATE + bool "Unaddressable device memory (GPU memory, ...)" + depends on ARCH_HAS_HMM + + help + Allows creation of struct pages to represent unaddressable device + memory; i.e., memory that is only accessible from the device (or + group of devices). You likely also want to select HMM_MIRROR. + config FRAME_VECTOR bool |