2017-09-20 23:33 GMT+08:00 Jan Kara :
> On Tue 19-09-17 19:48:00, Yafang Shao wrote:
>> 2017-09-19 16:35 GMT+08:00 Jan Kara :
>> > On Tue 19-09-17 06:53:00, Yafang Shao wrote:
>> >> + if (vm_dirty_bytes == 0 && vm_dirty_ratio == 0 &&
>> >> + (dirty_background_bytes != 0 || dirty_bac
On Tue 19-09-17 19:48:00, Yafang Shao wrote:
> 2017-09-19 16:35 GMT+08:00 Jan Kara :
> > On Tue 19-09-17 06:53:00, Yafang Shao wrote:
> >> + if (vm_dirty_bytes == 0 && vm_dirty_ratio == 0 &&
> >> + (dirty_background_bytes != 0 || dirty_background_ratio != 0))
> >> + ret
2017-09-19 16:35 GMT+08:00 Jan Kara :
> On Tue 19-09-17 06:53:00, Yafang Shao wrote:
>> we can find the logic in domain_dirty_limits() that
>> when dirty bg_thresh is bigger than dirty thresh,
>> bg_thresh will be set as thresh * 1 / 2.
>> if (bg_thresh >= thresh)
>> bg_thresh =
On Tue 19-09-17 06:53:00, Yafang Shao wrote:
> we can find the logic in domain_dirty_limits() that
> when dirty bg_thresh is bigger than dirty thresh,
> bg_thresh will be set as thresh * 1 / 2.
> if (bg_thresh >= thresh)
> bg_thresh = thresh / 2;
>
> But actually we can set vm
we can find the logic in domain_dirty_limits() that
when dirty bg_thresh is bigger than dirty thresh,
bg_thresh will be set as thresh * 1 / 2.
if (bg_thresh >= thresh)
bg_thresh = thresh / 2;
But actually we can set vm background dirtiness bigger than
vm dirtiness successfu
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