Re: [PATCH v2 09/69] mm/mm_init: Defer hugetlb reservation until after zone initialization

[Oscar Salvador (SUSE)]

On Wed, May 13, 2026 at 09:04:37PM +0800, Muchun Song wrote:
> hugetlb_cma_reserve() and hugetlb_bootmem_alloc() currently run before
> free_area_init(), so HugeTLB reservation happens before zone state is
> initialized.
> 
> Move the reservation step after free_area_init() so the relevant zone
> information is available before HugeTLB reserves memory. This is needed
> for later hugetlb changes that validate boot-time HugeTLB reservations
> against zone boundaries.
> 
> Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Reviewed-by: Oscar Salvador (SUSE) <osalvador@xxxxxxxxxx>

 

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Oscar Salvador
SUSE Labs