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* [PATCH] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig
@ 2017-04-13  2:19 ` Oliver O'Halloran
  0 siblings, 0 replies; 4+ messages in thread
From: Oliver O'Halloran @ 2017-04-13  2:19 UTC (permalink / raw)
  To: linux-kernel; +Cc: Oliver O'Halloran, linux-mm

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

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig
@ 2017-04-13  2:19 ` Oliver O'Halloran
  0 siblings, 0 replies; 4+ messages in thread
From: Oliver O'Halloran @ 2017-04-13  2:19 UTC (permalink / raw)
  To: linux-kernel; +Cc: Oliver O'Halloran, linux-mm

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

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
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^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH v2] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig
  2017-04-13  2:19 ` Oliver O'Halloran
@ 2017-04-13  5:17   ` Oliver O'Halloran
  -1 siblings, 0 replies; 4+ messages in thread
From: Oliver O'Halloran @ 2017-04-13  5:17 UTC (permalink / raw)
  To: linux-kernel; +Cc: Oliver O'Halloran, linux-mm

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

^ permalink raw reply related	[flat|nested] 4+ messages in thread
* [PATCH v2] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig
@ 2017-04-13  5:17   ` Oliver O'Halloran
  0 siblings, 0 replies; 4+ messages in thread
From: Oliver O'Halloran @ 2017-04-13  5:17 UTC (permalink / raw)
  To: linux-kernel; +Cc: Oliver O'Halloran, linux-mm

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

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

^ permalink raw reply related	[flat|nested] 4+ messages in thread
end of thread, other threads:[~2017-04-13  5:17 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-04-13  2:19 [PATCH] mm, x86: Add ARCH_HAS_ZONE_DEVICE to Kconfig Oliver O'Halloran
2017-04-13  2:19 ` Oliver O'Halloran
2017-04-13  5:17 ` [PATCH v2] " Oliver O'Halloran
2017-04-13  5:17   ` Oliver O'Halloran

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