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7960123)
When allocating memory for the userspace ioctl data, set some
appropriate GPF flags directly instead of using PF_MEMALLOC.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
secure_data = tmp.flags & DM_SECURE_DATA_FLAG;
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;
if (!dmi) {
if (secure_data && clear_user(user, tmp.data_size))
return -EFAULT;
- /*
- * 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, ¶m);
/*
* Copy the parameters into kernel space.
*/
r = copy_params(user, ¶m);
- current->flags &= ~PF_MEMALLOC;
-
#define DM_VERSION_MAJOR 4
#define DM_VERSION_MINOR 23
#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 */
/* Status bits */
#define DM_READONLY_FLAG (1 << 0) /* In/Out */