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-rw-r--r--drivers/md/dm-ioctl.c13
-rw-r--r--include/uapi/linux/dm-ioctl.h4
2 files changed, 6 insertions, 11 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index a651d528f80d..a37aeba7dc1b 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1556,7 +1556,10 @@ static int copy_params(struct dm_ioctl __user *user, struct dm_ioctl **param)
secure_data = tmp.flags & DM_SECURE_DATA_FLAG;
- dmi = vmalloc(tmp.data_size);
+ /*
+ * Try to avoid low memory issues when a device is suspended.
+ */
+ dmi = __vmalloc(tmp.data_size, GFP_NOIO | __GFP_REPEAT | __GFP_HIGH, PAGE_KERNEL);
if (!dmi) {
if (secure_data && clear_user(user, tmp.data_size))
return -EFAULT;
@@ -1657,18 +1660,10 @@ static int ctl_ioctl(uint command, struct dm_ioctl __user *user)
}
/*
- * Trying to avoid low memory issues when a device is
- * suspended.
- */
- current->flags |= PF_MEMALLOC;
-
- /*
* Copy the parameters into kernel space.
*/
r = copy_params(user, &param);
- current->flags &= ~PF_MEMALLOC;
-
if (r)
return r;
diff --git a/include/uapi/linux/dm-ioctl.h b/include/uapi/linux/dm-ioctl.h
index 91e3a360f611..539b179b349c 100644
--- a/include/uapi/linux/dm-ioctl.h
+++ b/include/uapi/linux/dm-ioctl.h
@@ -268,8 +268,8 @@ enum {
#define DM_VERSION_MAJOR 4
#define DM_VERSION_MINOR 23
-#define DM_VERSION_PATCHLEVEL 0
-#define DM_VERSION_EXTRA "-ioctl (2012-07-25)"
+#define DM_VERSION_PATCHLEVEL 1
+#define DM_VERSION_EXTRA "-ioctl (2012-12-18)"
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */