From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx104.postini.com [74.125.245.104]) by kanga.kvack.org (Postfix) with SMTP id 712C36B0005 for ; Wed, 23 Jan 2013 20:15:27 -0500 (EST) Received: by mail-pa0-f49.google.com with SMTP id bi1so5123354pad.8 for ; Wed, 23 Jan 2013 17:15:26 -0800 (PST) Message-ID: <1358990120.3351.6.camel@kernel> Subject: Re: [patch 1/3 v2]mm: don't inline page_mapping() From: Simon Jeons Date: Wed, 23 Jan 2013 19:15:20 -0600 In-Reply-To: <20130123054631.GE2723@blaptop> References: <20130122022919.GA12293@kernel.org> <20130123054631.GE2723@blaptop> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Minchan Kim Cc: Shaohua Li , linux-mm@kvack.org, akpm@linux-foundation.org, hughd@google.com, riel@redhat.com On Wed, 2013-01-23 at 14:46 +0900, Minchan Kim wrote: > On Tue, Jan 22, 2013 at 10:29:19AM +0800, Shaohua Li wrote: > > > > According to akpm, this saves 1/2k text and makes things simple of next patch. > > > > Suggested-by: Andrew Morton > > Signed-off-by: Shaohua Li > Acked-by: Minchan Kim > > FYI, > > Feel free to add in changelog if you have evidence. :) > Hi Minchan, Could you tell me how can you get these test result? Which tool or ...? :) > 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 > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org