• Shaohua Li's avatar
    mm: don't inline page_mapping() · 9800339b
    Shaohua Li authored
    
    
    According to akpm, this saves 1/2k text and makes things simple for the
    next patch.
    
    Numbers from Minchan:
    
    add/remove: 1/0 grow/shrink: 6/22 up/down: 92/-516 (-424)
    function                                     old     new   delta
    page_mapping                                   -      48     +48
    do_task_stat                                2292    2308     +16
    page_remove_rmap                             240     248      +8
    load_elf_binary                             4500    4508      +8
    update_queue                                 532     536      +4
    scsi_probe_and_add_lun                      2892    2896      +4
    lookup_fast                                  644     648      +4
    vcs_read                                    1040    1036      -4
    __ip_route_output_key                       1904    1900      -4
    ip_route_input_noref                        2508    2500      -8
    shmem_file_aio_read                          784     772     -12
    __isolate_lru_page                           272     256     -16
    shmem_replace_page                           708     688     -20
    mark_buffer_dirty                            228     208     -20
    __set_page_dirty_buffers                     240     220     -20
    __remove_mapping                             276     256     -20
    update_mmu_cache                             500     476     -24
    set_page_dirty_balance                        92      68     -24
    set_page_dirty                               172     148     -24
    page_evictable                                88      64     -24
    page_cache_pipe_buf_steal                    248     224     -24
    clear_page_dirty_for_io                      340     316     -24
    test_set_page_writeback                      400     372     -28
    test_clear_page_writeback                    516     488     -28
    invalidate_inode_page                        156     128     -28
    page_mkclean                                 432     400     -32
    flush_dcache_page                            360     328     -32
    __set_page_dirty_nobuffers                   324     280     -44
    shrink_page_list                            2412    2356     -56
    Signed-off-by: default avatarShaohua Li <shli@fusionio.com>
    Suggested-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Cc: Hugh Dickins <hughd@google.com>
    Acked-by: default avatarRik van Riel <riel@redhat.com>
    Cc: Minchan Kim <minchan.kim@gmail.com>
    Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
    Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
    9800339b
util.c 9.5 KB