Re: [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy

[Michal Hocko <mhocko@suse.com>]

On Fri 05-05-23 12:48:58, Mike Kravetz wrote:
> There was user confusion about specifying MPOL_MF_MOVE* with
> MPOL_INTERLEAVE policy [1].  Add clarification.
> 
> [1] https://lore.kernel.org/linux-mm/20230501185836.GA85110@monkey/
> 
> Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>

Acked-by: Michal Hocko <mhocko@suse.com>
Thanks!

> ---
>  man2/mbind.2 | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/man2/mbind.2 b/man2/mbind.2
> index d540bbe23..e4a187106 100644
> --- a/man2/mbind.2
> +++ b/man2/mbind.2
> @@ -311,6 +311,10 @@ If
>  is also specified, then the call fails with the error
>  .B EIO
>  if some pages could not be moved.
> +If the
> +.B MPOL_INTERLEAVE
> +policy was specified, pages already residing on the specified
> +nodes will not be moved such that they are interleaved.
>  .PP
>  If
>  .B MPOL_MF_MOVE_ALL
> @@ -326,6 +330,10 @@ If
>  is also specified, then the call fails with the error
>  .B EIO
>  if some pages could not be moved.
> +If the
> +.B MPOL_INTERLEAVE
> +policy was specified, pages already residing on the specified
> +nodes will not be moved such that they are interleaved.
>  .\" ---------------------------------------------------------------
>  .SH RETURN VALUE
>  On success,
> -- 
> 2.40.0

-- 
Michal Hocko
SUSE Labs