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SubjectRe: buffer/swapping in pre-patch-2.0.31-2 + the 17th July patch
Date
Richard Waltham <dormouse@farsrobt.demon.co.uk> wrote:
>Dr. Werner Fink wrote:
>>
>>
>> Hi,
>>
>> some improvements in comparison to the last one:
>>
>> * Limiting the start age of pages recently swapped in on the
>> physical mem size of the task. Limits are 25% for rss and 12.5%
>> for shm_rss.
>>
>> * Call run_task_queue(&tq_disk) only if (do_)try_to_free_page()
>> fails and make one retry. Add a debugging message.
>>

>Hi,

>looks like I'm catching this one:

>Jul 19 16:07:15 arak kernel: try_to_free_page: free pages 1008kB, async pages 0kB
>Jul 19 16:08:56 arak kernel: try_to_free_page: free pages 1020kB, async pages 12kB
>Jul 19 16:12:04 arak kernel: try_to_free_page: free pages 1012kB, async pages 4kB

>Using your current patch I always get this after booting and running my
>favourite test. Usually only once but this time three times. I've not seen
>it any other time - yet;) Booting with profile=2.

Same here:

Jul 21 07:57:25 smithers kernel: try_to_free_page: free pages 776kB, async pages 0kB
Jul 21 07:57:25 smithers kernel: Appletalk 0.17 for Linux NET3.035
Jul 21 09:15:08 smithers kernel: try_to_free_page: free pages 396kB, async pages 0kB
Jul 21 09:15:09 smithers kernel: try_to_free_page: free pages 384kB, async pages 0kB
Jul 21 09:15:29 smithers kernel: try_to_free_page: free pages 436kB, async pages 0kB
Jul 21 09:15:30 smithers kernel: try_to_free_page: free pages 448kB, async pages 0kB

The first one was when e2fsck fired up (doing a proper check), the rest
after (some) uptime.

--
Alex Kiernan - alex@hisoft.co.uk
HiSoft Systems, The Old School, Greenfield, Bedford, MK45 5DE, UK
http://www.hisoft.co.uk Tel: +44 1525 718181 Fax: +44 1525 713716

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