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-rw-r--r--kernel/power/process.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 0cf3a27..addbbe5 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -135,7 +135,7 @@ static int try_to_freeze_tasks(bool sig_only)
}
/**
- * freeze_processes - tell processes to enter the refrigerator
+ * freeze_processes - Signal user space processes to enter the refrigerator.
*/
int freeze_processes(void)
{
@@ -143,20 +143,30 @@ int freeze_processes(void)
printk("Freezing user space processes ... ");
error = try_to_freeze_tasks(true);
- if (error)
- goto Exit;
- printk("done.\n");
+ if (!error) {
+ printk("done.");
+ oom_killer_disable();
+ }
+ printk("\n");
+ BUG_ON(in_atomic());
+
+ return error;
+}
+
+/**
+ * freeze_kernel_threads - Make freezable kernel threads go to the refrigerator.
+ */
+int freeze_kernel_threads(void)
+{
+ int error;
printk("Freezing remaining freezable tasks ... ");
error = try_to_freeze_tasks(false);
- if (error)
- goto Exit;
- printk("done.");
+ if (!error)
+ printk("done.");
- oom_killer_disable();
- Exit:
- BUG_ON(in_atomic());
printk("\n");
+ BUG_ON(in_atomic());
return error;
}
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