Re: [LTP] [PATCH v5 0/3] mm/thp: add two new case

[Zhouping Liu <zliu@redhat.com>]

----- Original Message -----
> From: "Wanlong Gao" <gaowanlong@cn.fujitsu.com>
> To: "Zhouping Liu" <zliu@redhat.com>
> Cc: "LTP List" <ltp-list@lists.sourceforge.net>
> Sent: Wednesday, April 17, 2013 11:26:43 AM
> Subject: Re: [LTP] [PATCH v5 0/3] mm/thp: add two new case
> 
> On 04/16/2013 10:30 PM, Zhouping Liu wrote:
> > The patchset is desinged to test THP functionality.
> > 
> > when one process allocate hugepage aligned anonymous pages,
> > kernel thread 'khugepaged' controlled by sysfs knobs
> > /sys/kernel/mm/transparent_hugepage/* will scan them, and make
> > them as transparent hugepage if they are suited, you can find out
> > how many transparent hugepages are there in one process from
> > /proc/<pid>/smaps, among the file contents, 'AnonHugePages' entry
> > stand for transparent hugepage.
> > 
> > v1 to v2:
> > accepted Wanlong's suggestion, added some comment for '10s'
> > added 'static' key word for single-file-only variant.
> > 
> > v2 to v3:
> > added some comments for low memory system.
> > 
> > v3 to v4:
> > Wanglong point out that the value of khugepaged/defrag is string type,
> > not a numeric before applying the commit e27e6151b154 in v2.6.39-rc4,
> > and I checked the code again, found the current cases thp0* don't be
> > effected by khugepaged/defrag, so I removed the checking of
> > khugepaged/defrag from khugepaged_scan_done().
> > 
> > v4 to v5:
> >  1. made some cleaup
> >  2. updated 10s to 5s for each checking in khugepaged_scan_done()
> >  3. used SAFE_FILE_SCANF|PRINTF() instead of write_file()
> > 
> > v5 to v6:
> > made a little cleanup.
> 
> Applied this V6, thank you.
> 
> You may use the wrong --subject-prefix

yeah, thanks for your friendly correcting, I used the history command :(

-- 
Thanks,
Zhouping

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