Re: [PATCH v11 0/6] Use pageblock_order for cma and alloc_contig_range alignment.

From: Qian Cai
Date: Tue May 24 2022 - 12:59:31 EST


On Sun, May 22, 2022 at 12:54:04PM -0400, Zi Yan wrote:
> Can you try the patch below on top of linux-next to see if it fixes the infinite loop issue?
> Thanks.
>
> 1. split_free_page() change is irrelevant but to make the code more robust.
> 2. using set_migratetype_isolate() in isolate_single_pageblock() is to properly mark the pageblock
> MIGRATE_ISOLATE.
> 3. setting to-be-migrated page's pageblock to MIGRATE_ISOLATE is to avoid a possible race
> that another thread might take the free page after migration.
> 4. off-by-one fix and no retry if free page is not found after migration like I added before.

Cool. I'll be running it this week and report back next week.