xen/arm: increase memory banks number define value

[PATCH] xen/arm: increase memory banks number define value

Luca Fancellu posted 1 patch 4 years, 1 month ago

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xen/include/asm-arm/setup.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH] xen/arm: increase memory banks number define value

Posted by Luca Fancellu 4 years, 1 month ago

Currently the maximum number of memory banks (NR_MEM_BANKS define)
is fixed to 128, but on some new platforms that have a large amount
of memory, this value is not enough and prevents Xen from booting.

Increase the value to 256.

Signed-off-by: Luca Fancellu <luca.fancellu@arm.com>
---
 xen/include/asm-arm/setup.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h
index 95da0b7ab9cd..07daf160dc57 100644
--- a/xen/include/asm-arm/setup.h
+++ b/xen/include/asm-arm/setup.h
@@ -6,7 +6,7 @@
 #define MIN_FDT_ALIGN 8
 #define MAX_FDT_SIZE SZ_2M
 
-#define NR_MEM_BANKS 128
+#define NR_MEM_BANKS 256
 
 #define MAX_MODULES 32 /* Current maximum useful modules */
 
-- 
2.17.1

Re: [PATCH] xen/arm: increase memory banks number define value

Posted by Stefano Stabellini 4 years, 1 month ago

On Mon, 13 Dec 2021, Luca Fancellu wrote:
> Currently the maximum number of memory banks (NR_MEM_BANKS define)
> is fixed to 128, but on some new platforms that have a large amount
> of memory, this value is not enough and prevents Xen from booting.
> 
> Increase the value to 256.
> 
> Signed-off-by: Luca Fancellu <luca.fancellu@arm.com>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
>  xen/include/asm-arm/setup.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h
> index 95da0b7ab9cd..07daf160dc57 100644
> --- a/xen/include/asm-arm/setup.h
> +++ b/xen/include/asm-arm/setup.h
> @@ -6,7 +6,7 @@
>  #define MIN_FDT_ALIGN 8
>  #define MAX_FDT_SIZE SZ_2M
>  
> -#define NR_MEM_BANKS 128
> +#define NR_MEM_BANKS 256
>  
>  #define MAX_MODULES 32 /* Current maximum useful modules */
>  
> -- 
> 2.17.1
>