UBI: use vmalloc for large buffers

UBI allocates temporary buffers of PEB size, which may be 256KiB.
Use vmalloc instead of kmalloc for such big temporary buffers.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mtd/ubi/misc.c b/drivers/mtd/ubi/misc.c
index 38d4e6757dc7..9e2338c8e2cf 100644
--- a/drivers/mtd/ubi/misc.c
+++ b/drivers/mtd/ubi/misc.c
@@ -67,7 +67,7 @@ int ubi_check_volume(struct ubi_device *ubi, int vol_id)
         if (vol->vol_type != UBI_STATIC_VOLUME)
                 return 0;
 
-        buf = kmalloc(vol->usable_leb_size, GFP_KERNEL);
+        buf = vmalloc(vol->usable_leb_size);
         if (!buf)
                 return -ENOMEM;
 
@@ -87,7 +87,7 @@ int ubi_check_volume(struct ubi_device *ubi, int vol_id)
                 }
         }
 
-        kfree(buf);
+        vfree(buf);
         return err;
 }