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authorIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 13:40:56 +0200
commit251a169c69d1ff07cee7a9bb9fc4faff6b1d2ac3 (patch)
tree3c20c3e080f276848f2ad67aadab44a5d64bfda9 /arch/s390/mm/init.c
parent6679ce6e5f519096612b480d255d9ca97be0c2be (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
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Merge branch 'linus' into sched/urgent
Diffstat (limited to 'arch/s390/mm/init.c')
-rw-r--r--arch/s390/mm/init.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 4993b0f594e..1169130a97e 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -179,7 +179,7 @@ int arch_add_memory(int nid, u64 start, u64 size)
int rc;
pgdat = NODE_DATA(nid);
- zone = pgdat->node_zones + ZONE_NORMAL;
+ zone = pgdat->node_zones + ZONE_MOVABLE;
rc = vmem_add_mapping(start, size);
if (rc)
return rc;
@@ -189,3 +189,14 @@ int arch_add_memory(int nid, u64 start, u64 size)
return rc;
}
#endif /* CONFIG_MEMORY_HOTPLUG */
+
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int remove_memory(u64 start, u64 size)
+{
+ unsigned long start_pfn, end_pfn;
+
+ start_pfn = PFN_DOWN(start);
+ end_pfn = start_pfn + PFN_DOWN(size);
+ return offline_pages(start_pfn, end_pfn, 120 * HZ);
+}
+#endif /* CONFIG_MEMORY_HOTREMOVE */