The quilt patch titled Subject: s390: enable MHP_MEMMAP_ON_MEMORY has been removed from the -mm tree. Its filename was s390-enable-mhp_memmap_on_memory.patch This patch was dropped because it was merged into the mm-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx> Subject: s390: enable MHP_MEMMAP_ON_MEMORY Date: Mon, 8 Jan 2024 14:27:47 +0100 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@xxxxxxxxxxxxx Reviewed-by: Gerald Schaefer <gerald.schaefer@xxxxxxxxxxxxx> Signed-off-by: Sumanth Korikkar <sumanthk@xxxxxxxxxxxxx> Cc: Alexander Gordeev <agordeev@xxxxxxxxxxxxx> Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Cc: Anshuman Khandual <anshuman.khandual@xxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Heiko Carstens <hca@xxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/s390/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/s390/Kconfig~s390-enable-mhp_memmap_on_memory +++ a/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 _ Patches currently in -mm which might be from sumanthk@xxxxxxxxxxxxx are