Re: [PATCH v17 01/10] x86: kdump: replace the hard-coded alignment with macro CRASH_ALIGN

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On 12/10/21 at 02:55pm, Zhen Lei wrote:
> From: Chen Zhou <chenzhou10@xxxxxxxxxx>
> 
> Move CRASH_ALIGN to header asm/kexec.h for later use.
> 
> Suggested-by: Dave Young <dyoung@xxxxxxxxxx>
> Suggested-by: Baoquan He <bhe@xxxxxxxxxx>

I remember Dave and I discussed and suggested this when reviewing.
You can remove my Suggested-by.

For this one, I would like to add ack:

Acked-by: Baoquan He <bhe@xxxxxxxxxx>

> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
> Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
> Tested-by: John Donnelly <John.p.donnelly@xxxxxxxxxx>
> Tested-by: Dave Kleikamp <dave.kleikamp@xxxxxxxxxx>
> ---
>  arch/x86/include/asm/kexec.h | 3 +++
>  arch/x86/kernel/setup.c      | 3 ---
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/x86/include/asm/kexec.h b/arch/x86/include/asm/kexec.h
> index 11b7c06e2828c30..3a22e65262aa70b 100644
> --- a/arch/x86/include/asm/kexec.h
> +++ b/arch/x86/include/asm/kexec.h
> @@ -18,6 +18,9 @@
>  
>  # define KEXEC_CONTROL_CODE_MAX_SIZE	2048
>  
> +/* 16M alignment for crash kernel regions */
> +#define CRASH_ALIGN		SZ_16M
> +
>  #ifndef __ASSEMBLY__
>  
>  #include <linux/string.h>
> diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
> index 6a190c7f4d71b05..5cc60996eac56d6 100644
> --- a/arch/x86/kernel/setup.c
> +++ b/arch/x86/kernel/setup.c
> @@ -392,9 +392,6 @@ static void __init memblock_x86_reserve_range_setup_data(void)
>  
>  #ifdef CONFIG_KEXEC_CORE
>  
> -/* 16M alignment for crash kernel regions */
> -#define CRASH_ALIGN		SZ_16M
> -
>  /*
>   * Keep the crash kernel below this limit.
>   *
> -- 
> 2.25.1
> 


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