On Wed, Aug 22, 2018 at 09:01:19AM +0300, Konstantin Khlebnikov wrote:
> On Tue, Aug 21, 2018 at 8:15 PM, Johannes Weiner wrote:
> > On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> >> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox
> >> wrote:
> >> > On Fri, Aug 17,
On Wed, Aug 22, 2018 at 09:01:19AM +0300, Konstantin Khlebnikov wrote:
> On Tue, Aug 21, 2018 at 8:15 PM, Johannes Weiner wrote:
> > On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> >> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox
> >> wrote:
> >> > On Fri, Aug 17,
On Tue, Aug 21, 2018 at 8:15 PM, Johannes Weiner wrote:
> On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
>> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
>> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
>> >> - scan =
On Tue, Aug 21, 2018 at 8:15 PM, Johannes Weiner wrote:
> On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
>> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
>> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
>> >> - scan =
On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> >> - scan = div64_u64(scan * fraction[file],
> >> -
On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> >> - scan = div64_u64(scan * fraction[file],
> >> -
On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> >> - scan = div64_u64(scan * fraction[file],
> >> -
On Tue, Aug 21, 2018 at 08:11:44AM +0300, Konstantin Khlebnikov wrote:
> On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> > On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> >> - scan = div64_u64(scan * fraction[file],
> >> -
On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
>> - scan = div64_u64(scan * fraction[file],
>> - denominator);
>> + if (scan > 1)
>> +
On Sat, Aug 18, 2018 at 4:22 AM, Matthew Wilcox wrote:
> On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
>> - scan = div64_u64(scan * fraction[file],
>> - denominator);
>> + if (scan > 1)
>> +
On Fri, Aug 17, 2018 at 06:22:13PM -0700, Matthew Wilcox wrote:
> On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> > - scan = div64_u64(scan * fraction[file],
> > -denominator);
> > + if (scan > 1)
> > +
On Fri, Aug 17, 2018 at 06:22:13PM -0700, Matthew Wilcox wrote:
> On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> > - scan = div64_u64(scan * fraction[file],
> > -denominator);
> > + if (scan > 1)
> > +
On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> - scan = div64_u64(scan * fraction[file],
> - denominator);
> + if (scan > 1)
> + scan = div64_u64(scan * fraction[file],
> +
On Fri, Aug 17, 2018 at 04:18:34PM -0700, Roman Gushchin wrote:
> - scan = div64_u64(scan * fraction[file],
> - denominator);
> + if (scan > 1)
> + scan = div64_u64(scan * fraction[file],
> +
I've noticed, that dying memory cgroups are often pinned
in memory by a single pagecache page. Even under moderate
memory pressure they sometimes stayed in such state
for a long time. That looked strange.
My investigation showed that the problem is caused by
applying the LRU pressure balancing
I've noticed, that dying memory cgroups are often pinned
in memory by a single pagecache page. Even under moderate
memory pressure they sometimes stayed in such state
for a long time. That looked strange.
My investigation showed that the problem is caused by
applying the LRU pressure balancing
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