We'd better to use CONFIG_MIGRATION to cover nfs_migrate_page, otherwise when CONFIG_MIGRATION is not defined, unused nfs_migrate_page will still be compiled into kernel.
Signed-off-by: Chao Yu <[email protected]> --- fs/nfs/file.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 7d62097..6cfb83e 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -543,7 +543,9 @@ const struct address_space_operations nfs_file_aops = { .invalidatepage = nfs_invalidate_page, .releasepage = nfs_release_page, .direct_IO = nfs_direct_IO, +#ifdef CONFIG_MIGRATION .migratepage = nfs_migrate_page, +#endif .launder_page = nfs_launder_page, .is_dirty_writeback = nfs_check_dirty_writeback, .error_remove_page = generic_error_remove_page, -- 2.8.2.311.gee88674
