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>
diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index 8925b97..0efc586 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -150,7 +150,7 @@
vol->updating = 0;
}
- vol->upd_buf = kmalloc(ubi->leb_size, GFP_KERNEL);
+ vol->upd_buf = vmalloc(ubi->leb_size);
if (!vol->upd_buf)
return -ENOMEM;
@@ -339,7 +339,7 @@
err = ubi_wl_flush(ubi);
if (err == 0) {
err = to_write;
- kfree(vol->upd_buf);
+ vfree(vol->upd_buf);
vol->updating = 0;
}
}