[v06,5/5] migration/memory: Support 'ibm,dynamic-memory-v2'
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Message ID fee49d14-03cf-8d1c-edaa-5e31ef129e7b@linux.vnet.ibm.com
State Superseded
Headers show
  • Untitled series #70898
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Commit Message

Michael Bringmann Oct. 15, 2018, 7:55 p.m. UTC
migration/memory: This patch adds recognition for changes to the
associativity of memory blocks described by 'ibm,dynamic-memory-v2'.
If the associativity of an LMB has changed, it should be readded to
the system in order to update local and general kernel data structures.
This patch builds upon previous enhancements that scan the device-tree
"ibm,dynamic-memory" properties using the base LMB array, and a copy
derived from the updated properties.

Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
 arch/powerpc/platforms/pseries/hotplug-memory.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

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diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index dc2aa34..8c08eb2 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -1184,7 +1184,8 @@  static int pseries_memory_notifier(struct notifier_block *nb,
 		err = pseries_remove_mem_node(rd->dn);
-		if (!strcmp(rd->prop->name, "ibm,dynamic-memory")) {
+		if (!strcmp(rd->prop->name, "ibm,dynamic-memory") ||
+		    !strcmp(rd->prop->name, "ibm,dynamic-memory-v2")) {
 			struct drmem_lmb_info *dinfo =
 			if (!dinfo)