On Tue, Jan 12, 2016 at 03:39:59PM +0300, Dmitry Safonov wrote:
> PTE is dirty only when _PAGE_DIRTY bit is set, not _PAGE_SOFT_DIRTY.
> This misbehavior was introduced on importing RHEL7 kernel-3.10.0-229.7.2.el7
> So, it seems to be the reason of twice writeback of mapped files &
> similar issues.
> 
> See also: jira.sw.ru/browse/PSBM-42094
> 
> Signed-off-by: Dmitry Safonov <[email protected]>
> Cc: Cyrill Gorcunov <[email protected]>
> Cc: Vladimir Davydov <[email protected]>
> Cc: Konstantin Khorenko <[email protected]>

Weird how it sit there. On vanilla kernel all is fine.
Thank you!
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