projects/linux·commit 88f18ba0

freezer: move frozen_process() to kernel/power/process.c

88f18ba0 · Gautham R Shenoy <[email protected]> · 2007-05-23 13:57:29 -07:00

Other than refrigerator, no one else calls frozen_process().  So move it from
include/linux/freezer.h to kernel/power/process.c.

Also, since a task can be marked as frozen by itself, we don't need to pass
the (struct task_struct *p) parameter to frozen_process().

Signed-off-by: Gautham R Shenoy <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Commit
88f18ba028b5939bb6f77bd690e5ad8d01bb24cc
Parents
5fcc57f2

Changes

2 files changed · +13 −14

FileStatusAddDelContent
include/linux/freezer.hmodified+0−13View file
kernel/power/process.cmodified+13−1View file

include/linux/freezer.h

View file
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 1045ee9..4631086 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -58,18 +58,6 @@ static inline int thaw_process(struct task_struct *p)
return 0;
}
-/*
- * freezing is complete, mark process as frozen
- */
-static inline void frozen_process(struct task_struct *p)
-{
- if (!unlikely(p->flags & PF_NOFREEZE)) {
- p->flags |= PF_FROZEN;
- wmb();
- }
- clear_tsk_thread_flag(p, TIF_FREEZE);
-}
-
extern void refrigerator(void);
extern int freeze_processes(void);
extern void thaw_processes(void);
@@ -132,7 +120,6 @@ static inline int frozen(struct task_struct *p) { return 0; }
static inline int freezing(struct task_struct *p) { return 0; }
static inline void freeze(struct task_struct *p) { BUG(); }
static inline int thaw_process(struct task_struct *p) { return 1; }
-static inline void frozen_process(struct task_struct *p) { BUG(); }
static inline void refrigerator(void) {}
static inline int freeze_processes(void) { BUG(); return 0; }

kernel/power/process.c

View file
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 2cea265..d31d638 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -31,6 +31,18 @@ static inline int freezeable(struct task_struct * p)
return 1;
}
+/*
+ * freezing is complete, mark current process as frozen
+ */
+static inline void frozen_process(void)
+{
+ if (!unlikely(current->flags & PF_NOFREEZE)) {
+ current->flags |= PF_FROZEN;
+ wmb();
+ }
+ clear_tsk_thread_flag(current, TIF_FREEZE);
+}
+
/* Refrigerator is place where frozen processes are stored :-). */
void refrigerator(void)
{
@@ -40,7 +52,7 @@ void refrigerator(void)
task_lock(current);
if (freezing(current)) {
- frozen_process(current);
+ frozen_process();
task_unlock(current);
} else {
task_unlock(current);