diff options
Diffstat (limited to 'drivers/tty/tty_io.c')
| -rw-r--r-- | drivers/tty/tty_io.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index a4cfd254fda2..7e8b3bd59c7b 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -169,7 +169,7 @@ static void free_tty_struct(struct tty_struct *tty) { tty_ldisc_deinit(tty); put_device(tty->dev); - kfree(tty->write_buf); + kvfree(tty->write_buf); tty->magic = 0xDEADDEAD; kfree(tty); } @@ -986,9 +986,6 @@ static inline ssize_t do_tty_write( * layer has problems with bigger chunks. It will * claim to be able to handle more characters than * it actually does. - * - * FIXME: This can probably go away now except that 64K chunks - * are too likely to fail unless switched to vmalloc... */ chunk = 2048; if (test_bit(TTY_NO_WRITE_SPLIT, &tty->flags)) @@ -1003,12 +1000,12 @@ static inline ssize_t do_tty_write( if (chunk < 1024) chunk = 1024; - buf_chunk = kmalloc(chunk, GFP_KERNEL); + buf_chunk = kvmalloc(chunk, GFP_KERNEL | __GFP_RETRY_MAYFAIL); if (!buf_chunk) { ret = -ENOMEM; goto out; } - kfree(tty->write_buf); + kvfree(tty->write_buf); tty->write_cnt = chunk; tty->write_buf = buf_chunk; } |