Subject: Re: [PATCH v6 03/14] mm: Add len and flags parameters to arch_get_mmap_end()

From: Catalin Marinas <[email-masked]>
Date: Tue, 4 Jan 2022 16:09:54 +0000

On Fri, Dec 17, 2021 at 10:27:23AM +0000, Christophe Leroy wrote:
> Powerpc needs flags and len to make decision on arch_get_mmap_end().
> 
> So add them as parameters to arch_get_mmap_end().
> 
> Signed-off-by: Christophe Leroy <[email-masked]>
> Cc: Steve Capper <[email-masked]>
> Cc: Catalin Marinas <[email-masked]>
> Cc: Will Deacon <[email-masked]>
> ---
>  arch/arm64/include/asm/processor.h | 4 ++--
>  mm/mmap.c                          | 6 +++---
>  2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
> index 6f41b65f9962..88c696350ace 100644
> --- a/arch/arm64/include/asm/processor.h
> +++ b/arch/arm64/include/asm/processor.h
> @@ -91,8 +91,8 @@
>  #endif /* CONFIG_COMPAT */
>  
>  #ifndef CONFIG_ARM64_FORCE_52BIT
> -#define arch_get_mmap_end(addr) ((addr > DEFAULT_MAP_WINDOW) ? TASK_SIZE :\
> -				DEFAULT_MAP_WINDOW)
> +#define arch_get_mmap_end(addr, len, flags) ((addr > DEFAULT_MAP_WINDOW) ? TASK_SIZE :\
> +									   DEFAULT_MAP_WINDOW)

Nitpick, move the "((addr > ...." on the following line. Either way,

Acked-by: Catalin Marinas <[email-masked]>

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