Re: [PATCH] arm64/mm: Ensure adequate HUGE_MAX_HSTATE

[Gavin Shan]

On 12/2/24 4:44 PM, Anshuman Khandual wrote:
> This asserts that HUGE_MAX_HSTATE is sufficient enough preventing potential
> hugetlb_max_hstate runtime overflow in hugetlb_add_hstate() thus triggering
> a BUG_ON() there after.
>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Ard Biesheuvel <ardb@xxxxxxxxxx>
> Cc: Ryan Roberts <ryan.roberts@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
> ---
> This patch applies on v6.13-rc1
>
>   arch/arm64/mm/hugetlbpage.c | 12 ++++++++++++
>   1 file changed, 12 insertions(+)

Reviewed-by: Gavin Shan <gshan@xxxxxxxxxx>