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| author | Sumanth Korikkar <sumanthk@linux.ibm.com> | 2024-01-08 14:27:47 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-02-22 01:00:02 +0100 |
| commit | 9eda317c15ff13be621d219a5de365d1550f41f7 (patch) | |
| tree | 2c0be6cfc2546552bafe47e591c4ce3fe649d88b /arch/s390/Kconfig | |
| parent | s390/mm: implement MEM_PREPARE_ONLINE/MEM_FINISH_OFFLINE notifiers (diff) | |
| download | linux-9eda317c15ff13be621d219a5de365d1550f41f7.tar.xz linux-9eda317c15ff13be621d219a5de365d1550f41f7.zip | |
s390: enable MHP_MEMMAP_ON_MEMORY
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.
Link: https://lkml.kernel.org/r/20240108132747.3238763-6-sumanthk@linux.ibm.com
Reviewed-by: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index fe565f3a3a91..a1d6dcbc8965 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 |