Re: [PATCH V2] mm: Remove unnecessary __GFP_HIGHMEM in __p*d_alloc_one_*()

[Vishal Moola (Oracle)]

On Sun, Nov 09, 2025 at 10:18:17AM +0800, Huacai Chen wrote:
> __{pgd,p4d,pud,pmd,pte}_alloc_one_*() always allocate pages with GFP
> flag GFP_PGTABLE_KERNEL/GFP_PGTABLE_USER. These two macros are defined
> as follows:
> 
>  #define GFP_PGTABLE_KERNEL	(GFP_KERNEL | __GFP_ZERO)
>  #define GFP_PGTABLE_USER	(GFP_PGTABLE_KERNEL | __GFP_ACCOUNT)
> 
> There is no __GFP_HIGHMEM in them, so we needn't to clear __GFP_HIGHMEM
> explicitly.
> 
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>

Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>