On Mon, 21 Dec 2015, Joonsoo Kim wrote:
> free_pfn and compact_cached_free_pfn are the pointer that remember
> restart position of freepage scanner. When they are reset or invalid,
> we set them to zone_end_pfn because freepage scanner works in reverse
> direction. But, because zone range is defin
free_pfn and compact_cached_free_pfn are the pointer that remember
restart position of freepage scanner. When they are reset or invalid,
we set them to zone_end_pfn because freepage scanner works in reverse
direction. But, because zone range is defined as [zone_start_pfn,
zone_end_pfn), zone_end_pf
On Tue, Dec 15, 2015 at 09:31:39AM +0100, Vlastimil Babka wrote:
> On 12/14/2015 04:26 PM, Joonsoo Kim wrote:
> >2015-12-14 19:07 GMT+09:00 Vlastimil Babka :
> >>On 12/14/2015 06:02 AM, Joonsoo Kim wrote:
> >>>
> >>
> >>Acked-by: Vlastimil Babka
> >>
> >>Note that until now in compaction we've use
On 12/14/2015 04:26 PM, Joonsoo Kim wrote:
2015-12-14 19:07 GMT+09:00 Vlastimil Babka :
On 12/14/2015 06:02 AM, Joonsoo Kim wrote:
Acked-by: Vlastimil Babka
Note that until now in compaction we've used basically an open-coded
round_down(), and ALIGN() for rounding up. You introduce a first
2015-12-14 19:07 GMT+09:00 Vlastimil Babka :
> On 12/14/2015 06:02 AM, Joonsoo Kim wrote:
>>
>> free_pfn and compact_cached_free_pfn are the pointer that remember
>> restart position of freepage scanner. When they are reset or invalid,
>> we set them to zone_end_pfn because freepage scanner works i
On 12/14/2015 06:02 AM, Joonsoo Kim wrote:
free_pfn and compact_cached_free_pfn are the pointer that remember
restart position of freepage scanner. When they are reset or invalid,
we set them to zone_end_pfn because freepage scanner works in reverse
direction. But, because zone range is defined a
free_pfn and compact_cached_free_pfn are the pointer that remember
restart position of freepage scanner. When they are reset or invalid,
we set them to zone_end_pfn because freepage scanner works in reverse
direction. But, because zone range is defined as [zone_start_pfn,
zone_end_pfn), zone_end_pf
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