From: Simon Jeons <simon.jeons@gmail.com>
To: Minchan Kim <minchan@kernel.org>
Cc: Shaohua Li <shli@kernel.org>,
linux-mm@kvack.org, akpm@linux-foundation.org, hughd@google.com,
riel@redhat.com
Subject: Re: [patch 1/3 v2]mm: don't inline page_mapping()
Date: Wed, 23 Jan 2013 19:15:20 -0600 [thread overview]
Message-ID: <1358990120.3351.6.camel@kernel> (raw)
In-Reply-To: <20130123054631.GE2723@blaptop>
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 <akpm@linux-foundation.org>
> > Signed-off-by: Shaohua Li <shli@fusionio.com>
> Acked-by: Minchan Kim <minchan@kernel.org>
>
> 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
>
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next prev parent reply other threads:[~2013-01-24 1:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-22 2:29 [patch 1/3 v2]mm: don't inline page_mapping() Shaohua Li
2013-01-22 2:34 ` Rik van Riel
2013-01-23 5:46 ` Minchan Kim
2013-01-24 1:15 ` Simon Jeons [this message]
2013-01-24 2:25 ` Minchan Kim
2013-01-24 3:03 ` Simon Jeons
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