Re: [PATCH v1 6/9] arm64: kexec: no need to ClearPageReserved()

[Matthias Brugger]

On 14/12/2018 12:10, David Hildenbrand wrote:
> This will be done by free_reserved_page().
> 
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Cc: Bhupesh Sharma <bhsharma@xxxxxxxxxx>
> Cc: James Morse <james.morse@xxxxxxx>
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
> Cc: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Michal Hocko <mhocko@xxxxxxxxxx>
> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
> Acked-by: James Morse <james.morse@xxxxxxx>
> Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>

Reviewed-by: Matthias Brugger <mbrugger@xxxxxxxx>

> ---
>  arch/arm64/kernel/machine_kexec.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
> index aa9c94113700..6f0587b5e941 100644
> --- a/arch/arm64/kernel/machine_kexec.c
> +++ b/arch/arm64/kernel/machine_kexec.c
> @@ -361,7 +361,6 @@ void crash_free_reserved_phys_range(unsigned long begin, unsigned long end)
>  
>  	for (addr = begin; addr < end; addr += PAGE_SIZE) {
>  		page = phys_to_page(addr);
> -		ClearPageReserved(page);
>  		free_reserved_page(page);
>  	}
>  }
>