[PATCH 2/3] arm64: ptdump: add region marker for kasan shadow region

[Mark Rutland]

On Mon, Feb 22, 2016 at 11:00:38AM +0100, Ard Biesheuvel wrote:
> Annotate the KASAN shadow region with boundary markers, so that its
> mappings stand out in the page table dumper output.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>

Acked-by: Mark Rutland <mark.rutland at arm.com>

Mark.

> ---
>  arch/arm64/mm/dump.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/arch/arm64/mm/dump.c b/arch/arm64/mm/dump.c
> index eadcb70e733c..12e4b1732303 100644
> --- a/arch/arm64/mm/dump.c
> +++ b/arch/arm64/mm/dump.c
> @@ -23,6 +23,7 @@
>  #include <linux/seq_file.h>
>  
>  #include <asm/fixmap.h>
> +#include <asm/kasan.h>
>  #include <asm/memory.h>
>  #include <asm/pgtable.h>
>  #include <asm/pgtable-hwdef.h>
> @@ -35,6 +36,10 @@ struct addr_marker {
>  };
>  
>  static struct addr_marker address_markers[] = {
> +#ifdef CONFIG_KASAN
> +	{ KASAN_SHADOW_START,		"Kasan shadow start" },
> +	{ KASAN_SHADOW_END,		"Kasan shadow end" },
> +#endif
>  	{ MODULES_VADDR,		"Modules start" },
>  	{ MODULES_END,			"Modules end" },
>  	{ VMALLOC_START,		"vmalloc() Area" },
> -- 
> 2.5.0
> 
> 
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