* [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy
@ 2023-05-05 19:48 Mike Kravetz
2023-05-05 19:58 ` Alejandro Colomar
2023-05-06 18:52 ` Michal Hocko
0 siblings, 2 replies; 3+ messages in thread
From: Mike Kravetz @ 2023-05-05 19:48 UTC (permalink / raw)
To: linux-man, linux-mm, Alejandro Colomar
Cc: Michal Hocko, Vlastimil Babka, Lorenzo Stoakes, Mike Kravetz
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>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy
2023-05-05 19:48 [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy Mike Kravetz
@ 2023-05-05 19:58 ` Alejandro Colomar
2023-05-06 18:52 ` Michal Hocko
1 sibling, 0 replies; 3+ messages in thread
From: Alejandro Colomar @ 2023-05-05 19:58 UTC (permalink / raw)
To: Mike Kravetz, linux-man, linux-mm, Alejandro Colomar
Cc: Michal Hocko, Vlastimil Babka, Lorenzo Stoakes
[-- Attachment #1.1: Type: text/plain, Size: 1382 bytes --]
Hi Mike,
On 5/5/23 21:48, 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>
Patch applied.
Thanks,
Alex
> ---
> 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,
--
<http://www.alejandro-colomar.es/>
GPG key fingerprint: A9348594CE31283A826FBDD8D57633D441E25BB5
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy
2023-05-05 19:48 [PATCH] mbind.2: Clarify MPOL_MF_MOVE with MPOL_INTERLEAVE policy Mike Kravetz
2023-05-05 19:58 ` Alejandro Colomar
@ 2023-05-06 18:52 ` Michal Hocko
1 sibling, 0 replies; 3+ messages in thread
From: Michal Hocko @ 2023-05-06 18:52 UTC (permalink / raw)
To: Mike Kravetz
Cc: linux-man, linux-mm, Alejandro Colomar, Vlastimil Babka, Lorenzo Stoakes
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
^ permalink raw reply [flat|nested] 3+ messages in thread
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2023-05-05 19:58 ` Alejandro Colomar
2023-05-06 18:52 ` Michal Hocko
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