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[v5,5/5] s390: enable MHP_MEMMAP_ON_MEMORY

Message ID 20231128155227.1315063-6-sumanthk@linux.ibm.com (mailing list archive)
State New
Headers show
Series implement "memmap on memory" feature on s390 | expand

Commit Message

Sumanth Korikkar Nov. 28, 2023, 3:52 p.m. UTC 
Enable MHP_MEMMAP_ON_MEMORY to support "memmap on memory".
memory_hotplug.memmap_on_memory=true kernel parameter should be set in
kernel boot option to enable the feature.

Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
---
 arch/s390/Kconfig | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3bec98d20283..4b9b0f947ddb 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -113,6 +113,7 @@  config S390
 	select ARCH_INLINE_WRITE_UNLOCK_BH
 	select ARCH_INLINE_WRITE_UNLOCK_IRQ
 	select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+	select ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
 	select ARCH_STACKWALK
 	select ARCH_SUPPORTS_ATOMIC_RMW
 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC