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Groups > linux.kernel > #1622669 > unrolled thread
| Started by | Oliver O'Halloran <oohall@gmail.com> |
|---|---|
| First post | 2017-04-13 04:30 +0200 |
| Last post | 2017-04-13 07:20 +0200 |
| Articles | 2 — 1 participant |
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[PATCH] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig Oliver O'Halloran <oohall@gmail.com> - 2017-04-13 04:30 +0200
[PATCH v2] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig Oliver O'Halloran <oohall@gmail.com> - 2017-04-13 07:20 +0200
| From | Oliver O'Halloran <oohall@gmail.com> |
|---|---|
| Date | 2017-04-13 04:30 +0200 |
| Subject | [PATCH] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig |
| Message-ID | <tvCGd-4M2-1@gated-at.bofh.it> |
Currently ZONE_DEVICE depends on X86_64 and this will get unwieldly as new architectures (and platforms) get ZONE_DEVICE support. Move to an arch selected Kconfig option to save us the trouble. Cc: linux-mm@kvack.org Signed-off-by: Oliver O'Halloran <oohall@gmail.com> --- arch/x86/Kconfig | 1 + mm/Kconfig | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c43f47622440..535b4d514792 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -59,6 +59,7 @@ config X86 select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL + select ARCH_HAS_ZONE_DEVICE if X86_64 select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI select ARCH_MIGHT_HAVE_PC_PARPORT diff --git a/mm/Kconfig b/mm/Kconfig index c89f472b658c..57c1cbd9a050 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -689,7 +689,7 @@ config ZONE_DEVICE depends on MEMORY_HOTPLUG depends on MEMORY_HOTREMOVE depends on SPARSEMEM_VMEMMAP - depends on X86_64 #arch_add_memory() comprehends device memory + depends on ARCH_HAS_ZONE_DEVICE help Device memory hotplug support allows for establishing pmem, -- 2.9.3
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| From | Oliver O'Halloran <oohall@gmail.com> |
|---|---|
| Date | 2017-04-13 07:20 +0200 |
| Subject | [PATCH v2] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig |
| Message-ID | <tvFkK-6Dv-1@gated-at.bofh.it> |
| In reply to | #1622669 |
Currently ZONE_DEVICE depends on X86_64 and this will get unwieldly as new architectures (and platforms) get ZONE_DEVICE support. Move to an arch selected Kconfig option to save us the trouble. Cc: linux-mm@kvack.org Signed-off-by: Oliver O'Halloran <oohall@gmail.com> --- v2: add missing hunk --- arch/x86/Kconfig | 1 + mm/Kconfig | 6 +++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c43f47622440..535b4d514792 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -59,6 +59,7 @@ config X86 select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL + select ARCH_HAS_ZONE_DEVICE if X86_64 select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI select ARCH_MIGHT_HAVE_PC_PARPORT diff --git a/mm/Kconfig b/mm/Kconfig index c89f472b658c..392bf8d7574c 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -684,12 +684,16 @@ config IDLE_PAGE_TRACKING See Documentation/vm/idle_page_tracking.txt for more details. +# arch_add_memory() comprehends device memory +config ARCH_HAS_ZONE_DEVICE + bool + config ZONE_DEVICE bool "Device memory (pmem, etc...) hotplug support" depends on MEMORY_HOTPLUG depends on MEMORY_HOTREMOVE depends on SPARSEMEM_VMEMMAP - depends on X86_64 #arch_add_memory() comprehends device memory + depends on ARCH_HAS_ZONE_DEVICE help Device memory hotplug support allows for establishing pmem, -- 2.9.3
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