1 files changed, 11 insertions, 6 deletions

diff --git a/kernel/power/user.c b/kernel/power/user.c
index 3f1539fbe48a..72825c853cd7 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -19,6 +19,7 @@
 #include <linux/swapops.h>
 #include <linux/pm.h>
 #include <linux/fs.h>
+#include <linux/cpu.h>
 
 #include <asm/uaccess.h>
 
@@ -139,12 +140,15 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
                 if (data->frozen)
                         break;
                 down(&pm_sem);
-                disable_nonboot_cpus();
-                if (freeze_processes()) {
-                        thaw_processes();
-                        enable_nonboot_cpus();
-                        error = -EBUSY;
+                error = disable_nonboot_cpus();
+                if (!error) {
+                        error = freeze_processes();
+                        if (error) {
+                                thaw_processes();
+                                error = -EBUSY;
+                        }
                 }
+                enable_nonboot_cpus();
                 up(&pm_sem);
                 if (!error)
                         data->frozen = 1;
@@ -189,9 +193,10 @@ static int snapshot_ioctl(struct inode *inode, struct file *filp,
                         error = -EPERM;
                         break;
                 }
+                snapshot_free_unused_memory(&data->handle);
                 down(&pm_sem);
                 pm_prepare_console();
-                error = device_suspend(PMSG_FREEZE);
+                error = device_suspend(PMSG_PRETHAW);
                 if (!error) {
                         error = swsusp_resume();
                         device_resume();