On 05/30/2016 03:33 AM, Minchan Kim wrote:
>>
>>
>>> + page->mapping = (void *)((unsigned long)page->mapping &
>>> + PAGE_MAPPING_MOVABLE);
>>
>> This should be negated to clear... use ~PAGE_MAPPING_MOVABLE ?
>
> No.
>
> The intention is to clear only mapping value but P
On Fri, May 27, 2016 at 04:26:21PM +0200, Vlastimil Babka wrote:
> On 05/20/2016 04:23 PM, Minchan Kim wrote:
> >We have allowed migration for only LRU pages until now and it was
> >enough to make high-order pages. But recently, embedded system(e.g.,
> >webOS, android) uses lots of non-movable page
On 05/20/2016 04:23 PM, Minchan Kim wrote:
> We have allowed migration for only LRU pages until now and it was
> enough to make high-order pages. But recently, embedded system(e.g.,
> webOS, android) uses lots of non-movable pages(e.g., zram, GPU memory)
> so we have seen several reports about trou
We have allowed migration for only LRU pages until now and it was
enough to make high-order pages. But recently, embedded system(e.g.,
webOS, android) uses lots of non-movable pages(e.g., zram, GPU memory)
so we have seen several reports about troubles of small high-order
allocation. For fixing the
