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-rw-r--r--include/linux/migrate.h3
-rw-r--r--mm/shmem.c2
-rw-r--r--mm/swap_state.c2
3 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index a2901c414664..b66fd10f4b93 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -82,9 +82,6 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping,
return -ENOSYS;
}
-/* Possible settings for the migrate_page() method in address_operations */
-#define migrate_page NULL
-
#endif /* CONFIG_MIGRATION */
#ifdef CONFIG_NUMA_BALANCING
diff --git a/mm/shmem.c b/mm/shmem.c
index 469f90d56051..4fad61bb41e5 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -3077,7 +3077,9 @@ static const struct address_space_operations shmem_aops = {
.write_begin = shmem_write_begin,
.write_end = shmem_write_end,
#endif
+#ifdef CONFIG_MIGRATION
.migratepage = migrate_page,
+#endif
.error_remove_page = generic_error_remove_page,
};
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 3e0ec83d000c..ef1f39139b71 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -28,7 +28,9 @@
static const struct address_space_operations swap_aops = {
.writepage = swap_writepage,
.set_page_dirty = swap_set_page_dirty,
+#ifdef CONFIG_MIGRATION
.migratepage = migrate_page,
+#endif
};
static struct backing_dev_info swap_backing_dev_info = {