2021-09-22 09:01:29

by Zhangshaokun

Subject: [PATCH] sched: Make cookie functions static

Make cookie functions static as these are no longer invoked directly
by other code.

No functional change intended.

Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Juri Lelli <[email protected]>
Cc: Vincent Guittot <[email protected]>
Signed-off-by: Shaokun Zhang <[email protected]>
---
kernel/sched/core_sched.c | 9 +++++----
kernel/sched/sched.h | 5 -----
2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/kernel/sched/core_sched.c b/kernel/sched/core_sched.c
index 9a80e9a474c0..48ac72696012 100644
--- a/kernel/sched/core_sched.c
+++ b/kernel/sched/core_sched.c
@@ -11,7 +11,7 @@ struct sched_core_cookie {
refcount_t refcnt;
};

-unsigned long sched_core_alloc_cookie(void)
+static unsigned long sched_core_alloc_cookie(void)
{
struct sched_core_cookie *ck = kmalloc(sizeof(*ck), GFP_KERNEL);
if (!ck)
@@ -23,7 +23,7 @@ unsigned long sched_core_alloc_cookie(void)
return (unsigned long)ck;
}

-void sched_core_put_cookie(unsigned long cookie)
+static void sched_core_put_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -33,7 +33,7 @@ void sched_core_put_cookie(unsigned long cookie)
}
}

-unsigned long sched_core_get_cookie(unsigned long cookie)
+static unsigned long sched_core_get_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -53,7 +53,8 @@ unsigned long sched_core_get_cookie(unsigned long cookie)
*
* Returns: the old cookie
*/
-unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie)
+static unsigned long sched_core_update_cookie(struct task_struct *p,
+ unsigned long cookie)
{
unsigned long old_cookie;
struct rq_flags rf;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index cae475ff28b5..a09d11d41e4c 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1260,11 +1260,6 @@ extern void sched_core_dequeue(struct rq *rq, struct task_struct *p);
extern void sched_core_get(void);
extern void sched_core_put(void);

-extern unsigned long sched_core_alloc_cookie(void);
-extern void sched_core_put_cookie(unsigned long cookie);
-extern unsigned long sched_core_get_cookie(unsigned long cookie);
-extern unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie);
-
#else /* !CONFIG_SCHED_CORE */

static inline bool sched_core_enabled(struct rq *rq)
--
2.33.0

2021-09-22 12:53:51

by Peter Zijlstra

Subject: Re: [PATCH] sched: Make cookie functions static

On Wed, Sep 22, 2021 at 04:57:35PM +0800, Shaokun Zhang wrote:
> Make cookie functions static as these are no longer invoked directly
> by other code.

Yeah, this was supposed to get used from the cgroup code, but that never
happened. I suppose we can do this for now, easy enough to revert
if/when etc..

2021-09-23 03:32:14

by Zhangshaokun

Subject: Re: [PATCH] sched: Make cookie functions static

Hi Peter,

On 2021/9/22 20:50, Peter Zijlstra wrote:
> On Wed, Sep 22, 2021 at 04:57:35PM +0800, Shaokun Zhang wrote:
>> Make cookie functions static as these are no longer invoked directly
>> by other code.
>
> Yeah, this was supposed to get used from the cgroup code, but that never
> happened. I suppose we can do this for now, easy enough to revert

Got it,

Thanks your reply.

> if/when etc..
> .
>

2021-10-01 15:11:51

by tip-bot2 for Dhananjay Ugwekar

Subject: [tip: sched/core] sched: Make cookie functions static

The following commit has been merged into the sched/core branch of tip:

Commit-ID: 1bc687b27bac7fabcc2b0a1a8efad5cf875ac769
Gitweb: https://git.kernel.org/tip/1bc687b27bac7fabcc2b0a1a8efad5cf875ac769
Author: Shaokun Zhang <[email protected]>
AuthorDate: Wed, 22 Sep 2021 16:57:35 +08:00
Committer: Peter Zijlstra <[email protected]>
CommitterDate: Fri, 01 Oct 2021 13:58:06 +02:00

sched: Make cookie functions static

Make cookie functions static as these are no longer invoked directly
by other code.

No functional change intended.

Signed-off-by: Shaokun Zhang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
kernel/sched/core_sched.c | 9 +++++----
kernel/sched/sched.h | 5 -----
2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/kernel/sched/core_sched.c b/kernel/sched/core_sched.c
index 9a80e9a..48ac726 100644
--- a/kernel/sched/core_sched.c
+++ b/kernel/sched/core_sched.c
@@ -11,7 +11,7 @@ struct sched_core_cookie {
refcount_t refcnt;
};

-unsigned long sched_core_alloc_cookie(void)
+static unsigned long sched_core_alloc_cookie(void)
{
struct sched_core_cookie *ck = kmalloc(sizeof(*ck), GFP_KERNEL);
if (!ck)
@@ -23,7 +23,7 @@ unsigned long sched_core_alloc_cookie(void)
return (unsigned long)ck;
}

-void sched_core_put_cookie(unsigned long cookie)
+static void sched_core_put_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -33,7 +33,7 @@ void sched_core_put_cookie(unsigned long cookie)
}
}

-unsigned long sched_core_get_cookie(unsigned long cookie)
+static unsigned long sched_core_get_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -53,7 +53,8 @@ unsigned long sched_core_get_cookie(unsigned long cookie)
*
* Returns: the old cookie
*/
-unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie)
+static unsigned long sched_core_update_cookie(struct task_struct *p,
+ unsigned long cookie)
{
unsigned long old_cookie;
struct rq_flags rf;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 71bc710..3213e23 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1258,11 +1258,6 @@ extern void sched_core_dequeue(struct rq *rq, struct task_struct *p);
extern void sched_core_get(void);
extern void sched_core_put(void);

-extern unsigned long sched_core_alloc_cookie(void);
-extern void sched_core_put_cookie(unsigned long cookie);
-extern unsigned long sched_core_get_cookie(unsigned long cookie);
-extern unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie);
-
#else /* !CONFIG_SCHED_CORE */

static inline bool sched_core_enabled(struct rq *rq)

2021-10-05 14:14:28

by tip-bot2 for Dhananjay Ugwekar

Subject: [tip: sched/core] sched: Make cookie functions static

The following commit has been merged into the sched/core branch of tip:

Commit-ID: d07b2eee4501c393cbf5bfcad36143310cfd72f9
Gitweb: https://git.kernel.org/tip/d07b2eee4501c393cbf5bfcad36143310cfd72f9
Author: Shaokun Zhang <[email protected]>
AuthorDate: Wed, 22 Sep 2021 16:57:35 +08:00
Committer: Peter Zijlstra <[email protected]>
CommitterDate: Tue, 05 Oct 2021 15:52:07 +02:00

sched: Make cookie functions static

Make cookie functions static as these are no longer invoked directly
by other code.

No functional change intended.

Signed-off-by: Shaokun Zhang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
kernel/sched/core_sched.c | 9 +++++----
kernel/sched/sched.h | 5 -----
2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/kernel/sched/core_sched.c b/kernel/sched/core_sched.c
index 9a80e9a..48ac726 100644
--- a/kernel/sched/core_sched.c
+++ b/kernel/sched/core_sched.c
@@ -11,7 +11,7 @@ struct sched_core_cookie {
refcount_t refcnt;
};

-unsigned long sched_core_alloc_cookie(void)
+static unsigned long sched_core_alloc_cookie(void)
{
struct sched_core_cookie *ck = kmalloc(sizeof(*ck), GFP_KERNEL);
if (!ck)
@@ -23,7 +23,7 @@ unsigned long sched_core_alloc_cookie(void)
return (unsigned long)ck;
}

-void sched_core_put_cookie(unsigned long cookie)
+static void sched_core_put_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -33,7 +33,7 @@ void sched_core_put_cookie(unsigned long cookie)
}
}

-unsigned long sched_core_get_cookie(unsigned long cookie)
+static unsigned long sched_core_get_cookie(unsigned long cookie)
{
struct sched_core_cookie *ptr = (void *)cookie;

@@ -53,7 +53,8 @@ unsigned long sched_core_get_cookie(unsigned long cookie)
*
* Returns: the old cookie
*/
-unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie)
+static unsigned long sched_core_update_cookie(struct task_struct *p,
+ unsigned long cookie)
{
unsigned long old_cookie;
struct rq_flags rf;
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e5c4d4d..a00fc70 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1258,11 +1258,6 @@ extern void sched_core_dequeue(struct rq *rq, struct task_struct *p);
extern void sched_core_get(void);
extern void sched_core_put(void);

-extern unsigned long sched_core_alloc_cookie(void);
-extern void sched_core_put_cookie(unsigned long cookie);
-extern unsigned long sched_core_get_cookie(unsigned long cookie);
-extern unsigned long sched_core_update_cookie(struct task_struct *p, unsigned long cookie);
-
#else /* !CONFIG_SCHED_CORE */

static inline bool sched_core_enabled(struct rq *rq)