The patch titled
Move frozen_process() to kernel/power/process.c
has been removed from the -mm tree. Its filename was
move-frozen_process-to-kernel-power-processc.patch
This patch was dropped because an updated version will be merged
------------------------------------------------------
Subject: Move frozen_process() to kernel/power/process.c
From: Gautham R Shenoy <ego@xxxxxxxxxx>
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 frozen by itself, we don't need to pass
the (struct task_struct *p) parameter to frozen_process().
Signed-off-by: Gautham R Shenoy <ego@xxxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rjw@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/freezer.h | 13 -------------
kernel/power/process.c | 14 +++++++++++++-
2 files changed, 13 insertions(+), 14 deletions(-)
diff -puN include/linux/freezer.h~move-frozen_process-to-kernel-power-processc include/linux/freezer.h
--- a/include/linux/freezer.h~move-frozen_process-to-kernel-power-processc
+++ a/include/linux/freezer.h
@@ -58,18 +58,6 @@ static inline int thaw_process(struct ta
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_str
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; }
diff -puN kernel/power/process.c~move-frozen_process-to-kernel-power-processc kernel/power/process.c
--- a/kernel/power/process.c~move-frozen_process-to-kernel-power-processc
+++ a/kernel/power/process.c
@@ -32,6 +32,18 @@ static inline int freezeable(struct task
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)
{
@@ -41,7 +53,7 @@ void refrigerator(void)
task_lock(current);
if (freezing(current)) {
- frozen_process(current);
+ frozen_process();
task_unlock(current);
} else {
task_unlock(current);
_
Patches currently in -mm which might be from ego@xxxxxxxxxx are
origin.patch
move-frozen_process-to-kernel-power-processc.patch
separate-freezer-from-pm-code-rev-2.patch
introduce-freezer-flags-rev-2.patch
-
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