On Wed, Jan 15, 2014 at 10:57:21AM +0800, Bob Liu wrote:
> On 01/15/2014 03:16 AM, Johannes Weiner wrote:
> > On Tue, Jan 14, 2014 at 09:01:09AM +0800, Bob Liu wrote:
> >> Good job! This patch looks good to me and with nice descriptions.
> >> But it seems that this patch only fix the issue "working
Hello
On 01/15/2014 10:57 AM, Bob Liu wrote:
>
> On 01/15/2014 03:16 AM, Johannes Weiner wrote:
>> On Tue, Jan 14, 2014 at 09:01:09AM +0800, Bob Liu wrote:
>>> Hi Johannes,
>>>
>>> On 01/11/2014 02:10 AM, Johannes Weiner wrote:
The VM maintains cached filesystem pages on two types of lists.
On 01/15/2014 03:16 AM, Johannes Weiner wrote:
> On Tue, Jan 14, 2014 at 09:01:09AM +0800, Bob Liu wrote:
>> Hi Johannes,
>>
>> On 01/11/2014 02:10 AM, Johannes Weiner wrote:
>>> The VM maintains cached filesystem pages on two types of lists. One
>>> list holds the pages recently faulted into the
On Tue, Jan 14, 2014 at 09:01:09AM +0800, Bob Liu wrote:
> Hi Johannes,
>
> On 01/11/2014 02:10 AM, Johannes Weiner wrote:
> > The VM maintains cached filesystem pages on two types of lists. One
> > list holds the pages recently faulted into the cache, the other list
> > holds pages that have bee
Hi Johannes,
On 01/11/2014 02:10 AM, Johannes Weiner wrote:
> The VM maintains cached filesystem pages on two types of lists. One
> list holds the pages recently faulted into the cache, the other list
> holds pages that have been referenced repeatedly on that first list.
> The idea is to prefer r
On Fri, Jan 10, 2014 at 01:10:41PM -0500, Johannes Weiner wrote:
> The VM maintains cached filesystem pages on two types of lists. One
> list holds the pages recently faulted into the cache, the other list
> holds pages that have been referenced repeatedly on that first list.
> The idea is to pref
On 01/10/2014 01:10 PM, Johannes Weiner wrote:
> This patch solves one half of the problem by decoupling the ability to
> detect working set changes from the inactive list size. By
> maintaining a history of recently evicted file pages it can detect
> frequently used pages with an arbitrarily sma
On Tue, Nov 26, 2013 at 12:56:23PM +1100, Ryan Mallon wrote:
> > + * fault +
> > + * |
> > + * +--+ |+-+
> > + * reclaim <- | inactive | <-+-- demotion |active | <--+
> > + *
On Mon, Nov 25, 2013 at 03:50:11PM -0800, Andrew Morton wrote:
> On Sun, 24 Nov 2013 18:38:26 -0500 Johannes Weiner wrote:
>
> > ...
> >
> > + * Access frequency and refault distance
> > + *
> > + * A workload is trashing when its pages are frequently used but they
> > + * are evicted fro
On 25/11/13 10:38, Johannes Weiner wrote:
> The VM maintains cached filesystem pages on two types of lists. One
> list holds the pages recently faulted into the cache, the other list
> holds pages that have been referenced repeatedly on that first list.
> The idea is to prefer reclaiming young pag
On Sun, 24 Nov 2013 18:38:26 -0500 Johannes Weiner wrote:
> ...
>
> + * Access frequency and refault distance
> + *
> + * A workload is trashing when its pages are frequently used but they
> + * are evicted from the inactive list every time before another access
> + * would have promote
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