[Devel] [PATCH RH7] rh/mm: PTE isn't dirty when _PAGE_SOFT_DIRTY bit set

[Vladimir Davydov]

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 <dsafonov at odin.com>

Reviewed-by: Vladimir Davydov <vdavydov at virtuozzo.com>