On 02/03/2014 08:45 AM, Joonsoo Kim wrote:
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some
On 02/03/2014 08:45 AM, Joonsoo Kim wrote:
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
> On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
> >On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
> >>On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> >>>Hello,
> >>>
> >>>I found some weaknesses on handling
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
> On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
> >On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
> >>On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> >>>Hello,
> >>>
> >>>I found some weaknesses on handling
On Wed, Jan 29, 2014 at 05:52:41PM +0100, Vlastimil Babka wrote:
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during code review and
testing CMA.
First, we don't have any
On 01/10/2014 09:48 AM, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during code review and
testing CMA.
First, we don't have any
On Fri, Jan 10, 2014 at 09:48:34AM +, Mel Gorman wrote:
> On Fri, Jan 10, 2014 at 05:48:55PM +0900, Joonsoo Kim wrote:
> > On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
> > > On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> > > > Hello,
> > > >
> > > > I found some
On Fri, Jan 10, 2014 at 09:48:34AM +, Mel Gorman wrote:
On Fri, Jan 10, 2014 at 05:48:55PM +0900, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on
On Fri, Jan 10, 2014 at 05:48:55PM +0900, Joonsoo Kim wrote:
> On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
> > On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> > > Hello,
> > >
> > > I found some weaknesses on handling migratetype during code review and
> > > testing
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
> On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> > Hello,
> >
> > I found some weaknesses on handling migratetype during code review and
> > testing CMA.
> >
> > First, we don't have any synchronization method on get/set
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during code review and
testing CMA.
First, we don't have any synchronization method on get/set pageblock
On Fri, Jan 10, 2014 at 05:48:55PM +0900, Joonsoo Kim wrote:
On Thu, Jan 09, 2014 at 09:27:20AM +, Mel Gorman wrote:
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during code review and
testing CMA.
2014/1/9 Michal Nazarewicz :
> On Thu, Jan 09 2014, Joonsoo Kim wrote:
>> Third, there is the problem on buddy allocator. It doesn't consider
>> migratetype when merging buddy, so pages from cma or isolate region can
>> be moved to other migratetype freelist. It makes CMA failed over and over.
>>
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
> Hello,
>
> I found some weaknesses on handling migratetype during code review and
> testing CMA.
>
> First, we don't have any synchronization method on get/set pageblock
> migratetype. When we change migratetype, we hold the zone
On Thu, Jan 09 2014, Joonsoo Kim wrote:
> Third, there is the problem on buddy allocator. It doesn't consider
> migratetype when merging buddy, so pages from cma or isolate region can
> be moved to other migratetype freelist. It makes CMA failed over and over.
> To prevent it, the buddy allocator
On Thu, Jan 09 2014, Joonsoo Kim iamjoonsoo@lge.com wrote:
Third, there is the problem on buddy allocator. It doesn't consider
migratetype when merging buddy, so pages from cma or isolate region can
be moved to other migratetype freelist. It makes CMA failed over and over.
To prevent it,
On Thu, Jan 09, 2014 at 04:04:40PM +0900, Joonsoo Kim wrote:
Hello,
I found some weaknesses on handling migratetype during code review and
testing CMA.
First, we don't have any synchronization method on get/set pageblock
migratetype. When we change migratetype, we hold the zone lock. So
2014/1/9 Michal Nazarewicz min...@mina86.com:
On Thu, Jan 09 2014, Joonsoo Kim iamjoonsoo@lge.com wrote:
Third, there is the problem on buddy allocator. It doesn't consider
migratetype when merging buddy, so pages from cma or isolate region can
be moved to other migratetype freelist. It
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