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-rw-r--r--arch/sparc64/mm/init.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index a1a364e537c..c2b556106fc 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1805,3 +1805,21 @@ void __flush_tlb_all(void)
__asm__ __volatile__("wrpr %0, 0, %%pstate"
: : "r" (pstate));
}
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+
+void online_page(struct page *page)
+{
+ ClearPageReserved(page);
+ set_page_count(page, 0);
+ free_cold_page(page);
+ totalram_pages++;
+ num_physpages++;
+}
+
+int remove_memory(u64 start, u64 size)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_MEMORY_HOTPLUG */