[PATCH 1/2] mm/cma: provide option to opt out from exposing pages on activation failure

[David Hildenbrand]

On 20.12.21 20:34, Hari Bathini wrote:
> Commit 072355c1cf2d ("mm/cma: expose all pages to the buddy if
> activation of an area fails") started exposing all pages to buddy
> allocator on CMA activation failure. But there can be CMA users that
> want to handle the reserved memory differently on CMA allocation
> failure. Provide an option to opt out from exposing pages to buddy
> for such cases.

Can you elaborate why that is important and what the target user can
actually do with it?

It certainly cannot do CMA allocations :)

-- 
Thanks,

David / dhildenb