Re: [PATCH] mm/hugetlb: align cma on allocation order, not demotion order

[Oscar Salvador]

On Tue, Apr 30, 2024 at 04:14:37PM +0000, Frank van der Linden wrote:
> Align the CMA area for hugetlb gigantic pages to their size, not the
> size that they can be demoted to. Otherwise there might be misaligned
> sections at the start and end of the CMA area that will never be used
> for hugetlb page allocations.
> 
> Signed-off-by: Frank van der Linden <fvdl@xxxxxxxxxx>
> Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
> Fixes: a01f43901cfb ("hugetlb: be sure to free demoted CMA pages to CMA")

Reviewed-by: Oscar Salvador <osalvador@xxxxxxx>


-- 
Oscar Salvador
SUSE Labs