On 03/20/2017 07:33 AM, Joonsoo Kim wrote:
>> The fact sticky movable pageblocks aren't ideal for CMA doesn't mean
>> they're not ideal for memory hotunplug though.
>>
>> With CMA there's no point in having the sticky movable pageblocks
>> scattered around and it's purely a misfeature to use sticky
2017-03-17 4:01 GMT+09:00 Andrea Arcangeli :
> Hello Joonsoo,
Hello, Andrea.
> On Thu, Mar 16, 2017 at 02:31:22PM +0900, Joonsoo Kim wrote:
>> I don't follow up previous discussion so please let me know if I miss
>> something. I'd just like to mention about sticky pageblocks.
>
> The interesting
On Thu, 16 Mar 2017 20:01:25 +0100
Andrea Arcangeli wrote:
[...]
> If we can make zone overlap work with a 100% overlap across the whole
> node that would be a fine alternative, the zoneinfo.py output will
> look weird, but if that's the only downside it's no big deal. With
> sticky movable pageb
Hello Joonsoo,
On Thu, Mar 16, 2017 at 02:31:22PM +0900, Joonsoo Kim wrote:
> I don't follow up previous discussion so please let me know if I miss
> something. I'd just like to mention about sticky pageblocks.
The interesting part of the previous discussion relevant for the
sticky movable pagebl
On Wed, Mar 15, 2017 at 05:37:29PM +0100, Andrea Arcangeli wrote:
> On Wed, Mar 15, 2017 at 02:11:40PM +0100, Michal Hocko wrote:
> > OK, I see now. I am afraid there is quite a lot of code which expects
> > that zones do not overlap. We can have holes in zones but not different
> > zones interleav
On Wed, Mar 15, 2017 at 02:11:40PM +0100, Michal Hocko wrote:
> OK, I see now. I am afraid there is quite a lot of code which expects
> that zones do not overlap. We can have holes in zones but not different
> zones interleaving. Probably something which could be addressed but far
> from trivial IM
On Wed 15-03-17 13:53:09, Vitaly Kuznetsov wrote:
> Michal Hocko writes:
>
> > On Wed 15-03-17 11:48:37, Vitaly Kuznetsov wrote:
[...]
> >> What actually stops us from having the following approach:
> >> 1) Everything is added to MOVABLE
> >> 2) When we're out of memory for kernel allocations in
Michal Hocko writes:
> On Wed 15-03-17 11:48:37, Vitaly Kuznetsov wrote:
>> Michal Hocko writes:
> [...]
>> Speaking about long term approach,
>
> Not really related to the patch but ok (I hope this will not distract
> from the original intention here)...
>
Yes, not directly related to your pat
On Wed 15-03-17 11:48:37, Vitaly Kuznetsov wrote:
> Michal Hocko writes:
[...]
> Speaking about long term approach,
Not really related to the patch but ok (I hope this will not distract
from the original intention here)...
> (I'm not really familiar with the history of memory zones code so plea
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