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
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 pages over those that have
shown to benefit from cach
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 pages over those that have
shown to benefit from cach
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
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 pages over those that have
shown to benefit from cach
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