memory-hotplug: introduce new arch_remove_memory() for removing page table

[deliverable/linux.git] / arch / tile / mm / init.c

diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index ef29d6c5e10e9b76216b61e4cf7d2722c824d8e9..2749515a054784ad95b2329b2c4d25bbb5270b98 100644 (file)
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -935,6 +935,14 @@ int remove_memory(u64 start, u64 size)
 {
        return -EINVAL;
 }
+
+#ifdef CONFIG_MEMORY_HOTREMOVE
+int arch_remove_memory(u64 start, u64 size)
+{
+       /* TODO */
+       return -EBUSY;
+}
+#endif
 #endif
 
 struct kmem_cache *pgd_cache;