Re: [XENBUS PATCH v2 2/2] balloon: Specify MM_ALLOCATE_PREFER_CONTIGUOUS

[Paul Durrant <xadimgnik@xxxxxxxxx>]

On 11/06/2025 13:36, Tu Dinh wrote:
> This flag, available from Windows 7, instructs the kernel allocator to
> avoid physical memory fragmentation.
>
> Tested on Server 2022 by decreasing memory from 8GB->5GB:
> * Before: 98 balloon allocations containing 6518 contiguous ranges
> * After: 98 balloon allocations containing 649 contiguous ranges
>
> Signed-off-by: Tu Dinh <ngoc-tu.dinh@xxxxxxxxxx>
> ---
>   src/xenbus/balloon.c | 1 +
>   1 file changed, 1 insertion(+)
Reviewed-by: Paul Durrant <paul@xxxxxxx>