2015-11-25 09:08:01

by baiyaowei

Subject: [PATCH] mm/compaction: improve comment for compact_memory tunable knob handler

Sysctl_compaction_handler() is the handler function for compact_memory
tunable knob under /proc/sys/vm, add the missing knob name to make this
more accurate in comment.

No functional change.

Signed-off-by: Yaowei Bai <[email protected]>
---
mm/compaction.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/mm/compaction.c b/mm/compaction.c
index de3e1e7..ac6c694 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -1708,7 +1708,10 @@ static void compact_nodes(void)
/* The written value is actually unused, all memory is compacted */
int sysctl_compact_memory;

-/* This is the entry point for compacting all nodes via /proc/sys/vm */
+/*
+ * This is the entry point for compacting all nodes via
+ * /proc/sys/vm/compact_memory
+ */
int sysctl_compaction_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *length, loff_t *ppos)
{
--
1.9.1

2015-11-25 10:24:01

by Vlastimil Babka

Subject: Re: [PATCH] mm/compaction: improve comment for compact_memory tunable knob handler

On 11/25/2015 10:07 AM, Yaowei Bai wrote:
> Sysctl_compaction_handler() is the handler function for compact_memory
> tunable knob under /proc/sys/vm, add the missing knob name to make this
> more accurate in comment.
>
> No functional change.
>
> Signed-off-by: Yaowei Bai <[email protected]>

Acked-by: Vlastimil Babka <[email protected]>

> ---
> mm/compaction.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/mm/compaction.c b/mm/compaction.c
> index de3e1e7..ac6c694 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -1708,7 +1708,10 @@ static void compact_nodes(void)
> /* The written value is actually unused, all memory is compacted */
> int sysctl_compact_memory;
>
> -/* This is the entry point for compacting all nodes via /proc/sys/vm */
> +/*
> + * This is the entry point for compacting all nodes via
> + * /proc/sys/vm/compact_memory
> + */
> int sysctl_compaction_handler(struct ctl_table *table, int write,
> void __user *buffer, size_t *length, loff_t *ppos)
> {
>

2015-11-27 15:04:03

by Michal Nazarewicz

Subject: Re: [PATCH] mm/compaction: improve comment for compact_memory tunable knob handler

On Wed, Nov 25 2015, Yaowei Bai wrote:
> Sysctl_compaction_handler() is the handler function for compact_memory
> tunable knob under /proc/sys/vm, add the missing knob name to make this
> more accurate in comment.
>
> No functional change.
>
> Signed-off-by: Yaowei Bai <[email protected]>

Since I'm explicitly on CC, I might just as well:

Acked-by: Michal Nazarewicz <[email protected]>

> ---
> mm/compaction.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/mm/compaction.c b/mm/compaction.c
> index de3e1e7..ac6c694 100644
> --- a/mm/compaction.c
> +++ b/mm/compaction.c
> @@ -1708,7 +1708,10 @@ static void compact_nodes(void)
> /* The written value is actually unused, all memory is compacted */
> int sysctl_compact_memory;
>
> -/* This is the entry point for compacting all nodes via /proc/sys/vm */
> +/*
> + * This is the entry point for compacting all nodes via
> + * /proc/sys/vm/compact_memory
> + */
> int sysctl_compaction_handler(struct ctl_table *table, int write,
> void __user *buffer, size_t *length, loff_t *ppos)
> {
> --
> 1.9.1
>
>
>

--
Best regards, _ _
.o. | Liege of Serenely Enlightened Majesty of o' \,=./ `o
..o | Computer Science, ミハウ “mina86” ナザレヴイツ (o o)
ooo +--<[email protected]>--<xmpp:[email protected]>--ooO--(_)--Ooo--