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SubjectRe: [PATCH 1/2] arm64: mm: apply __ro_after_init to memory_limit
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On 12/15/21 12:15 PM, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> This variable is only set during initialization, so mark with
> __ro_after_init.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
> arch/arm64/mm/init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
> index a8834434af99..db63cc885771 100644
> --- a/arch/arm64/mm/init.c
> +++ b/arch/arm64/mm/init.c
> @@ -172,7 +172,7 @@ int pfn_is_map_memory(unsigned long pfn)
> }
> EXPORT_SYMBOL(pfn_is_map_memory);
>
> -static phys_addr_t memory_limit = PHYS_ADDR_MAX;
> +static phys_addr_t memory_limit __ro_after_init = PHYS_ADDR_MAX;
>
> /*
> * Limit the memory size that was specified via FDT.
>

Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>

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