From: Anshuman Khandual <khandual@linux.vnet.ibm.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: aneesh.kumar@linux.vnet.ibm.com, mpe@ellerman.id.au,
mikey@neuling.org, oohall@gmail.com
Subject: [PATCH 2/2] powerpc/mm: Enable support for ZONE_DEVICE on PPC_BOOK3S_64 platforms
Date: Thu, 5 May 2016 17:41:44 +0530 [thread overview]
Message-ID: <1462450304-19173-3-git-send-email-khandual@linux.vnet.ibm.com> (raw)
In-Reply-To: <1462450304-19173-1-git-send-email-khandual@linux.vnet.ibm.com>
This enables support for the new ZONE_DEVCICE on PPC_BOOK3S_64 platforms
which now accommodates device memory during memory hotplug operation.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
---
NOTE: We need to enable CONFIG_EXPERT first before attempting to enable
CONFIG_ZONE_DEVICE, which will work when all of it's dependent configs
are enabled.
mm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/Kconfig b/mm/Kconfig
index 989f8f3..8ecd869 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -654,7 +654,7 @@ 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 (X86_64 || PPC_BOOK3S_64) #arch_add_memory() comprehends device memory
help
Device memory hotplug support allows for establishing pmem,
--
1.9.3
next prev parent reply other threads:[~2016-05-05 12:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-05 12:11 [PATCH 0/2] Enable ZONE_DEVICE on POWER Anshuman Khandual
2016-05-05 12:11 ` [PATCH 1/2] powerpc/mm: Make vmemmap_populate accommodate ZONE_DEVICE memory Anshuman Khandual
2016-05-05 12:11 ` Anshuman Khandual [this message]
2016-05-05 14:48 ` [PATCH 0/2] Enable ZONE_DEVICE on POWER Aneesh Kumar K.V
2016-05-06 5:13 ` Anshuman Khandual
2016-05-06 6:14 ` oliver
2016-05-08 17:37 ` Aneesh Kumar K.V
2016-05-10 7:12 ` Anshuman Khandual
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