On Wed, Feb 02, 2022 at 01:25:28PM +0100, David Hildenbrand wrote:
> That's the whole idea for being able to allocate parts of an unmovable
> pageblock that are movable.
>
> If the first part is unmovable but the second part is movable, nothing
> should stop us from trying to allocate the second p
On 2 Feb 2022, at 7:25, David Hildenbrand wrote:
> On 02.02.22 13:18, Oscar Salvador wrote:
>> On Wed, Jan 19, 2022 at 02:06:19PM -0500, Zi Yan wrote:
>>> From: Zi Yan
>>>
>>> Enable set_migratetype_isolate() to check specified sub-range for
>>> unmovable pages during isolation. Page isolation is
On 02.02.22 13:18, Oscar Salvador wrote:
> On Wed, Jan 19, 2022 at 02:06:19PM -0500, Zi Yan wrote:
>> From: Zi Yan
>>
>> Enable set_migratetype_isolate() to check specified sub-range for
>> unmovable pages during isolation. Page isolation is done
>> at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) g
On Wed, Jan 19, 2022 at 02:06:19PM -0500, Zi Yan wrote:
> From: Zi Yan
>
> Enable set_migratetype_isolate() to check specified sub-range for
> unmovable pages during isolation. Page isolation is done
> at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) granularity, but not all
> pages within that gra
On 25 Jan 2022, at 8:21, Oscar Salvador wrote:
> On Tue, Jan 25, 2022 at 02:19:46PM +0100, Oscar Salvador wrote:
>> I know that this has been discussed previously, and the cover-letter already
>> mentions it, but I think it would be great to have some sort of information
>> about
>> the problem i
On Tue, Jan 25, 2022 at 02:19:46PM +0100, Oscar Salvador wrote:
> I know that this has been discussed previously, and the cover-letter already
> mentions it, but I think it would be great to have some sort of information
> about
> the problem in the commit message as well, so people do not have to
On Mon, Jan 24, 2022 at 12:17:23PM -0500, Zi Yan wrote:
> You are right. Sorry for the confusion. I think it should be
> “Page isolation is done at least on max(MAX_ORDER_NR_PAEGS,
> pageblock_nr_pages) granularity.”
>
> memory_hotplug uses PAGES_PER_SECTION. It is greater than that.
Or just spec
On 24 Jan 2022, at 4:55, Oscar Salvador wrote:
> On 2022-01-19 20:06, Zi Yan wrote:
>> From: Zi Yan
>>
>> Enable set_migratetype_isolate() to check specified sub-range for
>> unmovable pages during isolation. Page isolation is done
>> at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) granularity, bu
On 2022-01-19 20:06, Zi Yan wrote:
From: Zi Yan
Enable set_migratetype_isolate() to check specified sub-range for
unmovable pages during isolation. Page isolation is done
at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) granularity, but not all
pages within that granularity are intended to be iso
From: Zi Yan
Enable set_migratetype_isolate() to check specified sub-range for
unmovable pages during isolation. Page isolation is done
at max(MAX_ORDER_NR_PAEGS, pageblock_nr_pages) granularity, but not all
pages within that granularity are intended to be isolated. For example,
alloc_contig_rang
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