[SPARC64]: Allow CONFIG_MEMORY_HOTPLUG to build.



online_page() is straightforward, and then add a dummy
remove_memory() that returns -EINVAL just like i386.

There is no point in implementing remove_memory() since
__remove_pages() has no implementation either.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 9b4006dc

arch/sparc64/mm/init.c

+18 −0

Original line number	Diff line number	Diff line
		@@ -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 */