Re: [PATCH] memblock test: include <linux/sizes.h> from tools mm.h stub
From: Anshuman Khandual
Date: Mon Jan 05 2026 - 04:33:29 EST
On 29/12/25 12:09 AM, Mike Rapoport wrote:
> From: "Mike Rapoport (Microsoft)" <rppt@xxxxxxxxxx>
>
> memblock test compilation fails:
>
> memblock.c: In function ‘memblock_validate_numa_coverage’:
> memblock.c:784:58: error: ‘SZ_1M’ undeclared (first use in this function)
> 784 | mem_size_mb = memblock_phys_mem_size() / SZ_1M;
> | ^~~~~
>
> The SZ_1M is defined in sizes.h, but it is not included by stub version of
> mm.h in tools/include/linux.
>
> Add include of sizes.h to tools/include/linux/mm.h to fix the compilation
> of memblock tests.
>
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
> ---
> tools/include/linux/mm.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
> index 677c37e4a18c..028f3faf46e7 100644
> --- a/tools/include/linux/mm.h
> +++ b/tools/include/linux/mm.h
> @@ -4,6 +4,7 @@
>
> #include <linux/align.h>
> #include <linux/mmzone.h>
> +#include <linux/sizes.h>
>
> #define PAGE_SHIFT 12
> #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>