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acc0f67f30
linux/drivers/tty
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Peter Hurley acc0f67f30 tty: Halve flip buffer GFP_ATOMIC memory consumption 
tty flip buffers use GFP_ATOMIC allocations for received data
which is to be processed by the line discipline. For each byte
received, an extra byte is used to indicate the error status of
that byte.

Instead, if the received data is error-free, encode the entire
buffer without status bytes.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-09 11:09:24 -08:00
..
hvc Features: 2013-11-15 13:34:37 +09:00
ipwireless
serial tty: serial: mxs-auart: Check the return value from clk_prepare_enable() 2013-12-08 17:14:58 -08:00
vt vt: properly ignore xterm-256 colour codes 2013-09-26 15:58:27 -07:00
amiserial.c TTY: amiserial, add missing platform check 2013-11-25 08:54:25 -08:00
bfin_jtag_comm.c TTY: bfin_jtag_comm: fix incorrect placement of __initdata tag 2013-09-30 19:09:37 -07:00
cyclades.c
ehv_bytechan.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
goldfish.c
isicom.c
Kconfig
Makefile tty: Add timed, writer-prioritized rw semaphore 2013-05-20 12:30:32 -07:00
metag_da.c tree-wide: use reinit_completion instead of INIT_COMPLETION 2013-11-15 09:32:21 +09:00
moxa.c
moxa.h
mxser.c tty: mxser: Fix build warning introduced by dfc7b837c7 (Re: linux-next: build warning after merge of the tty.current tree) 2013-05-22 10:26:02 -07:00
mxser.h
n_gsm.c n_gsm: race between ld close and gsmtty open 2013-12-08 17:05:14 -08:00
n_hdlc.c
n_r3964.c tty: Always handle NULL flag ptr 2013-12-08 16:56:05 -08:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c n_tty: Only perform wakeups for waiters 2013-12-08 16:53:13 -08:00
nozomi.c tty: Remove unnecessary semicolons 2013-10-16 13:08:16 -07:00
pty.c tty: Fix lock order in tty_do_resize() 2013-07-24 15:12:53 -07:00
rocket_int.h
rocket.c tty: remove DEFINE_PCI_DEVICE_TABLE macro 2013-12-08 17:09:07 -08:00
rocket.h
synclink_gt.c TTY: synclink_gt: fix DTR being raised on hang up 2013-04-12 14:08:17 -07:00
synclink.c TTY: synclink: replace bitmasks add operation with OR operation. 2013-07-29 12:47:37 -07:00
synclinkmp.c TTY: snyclinkmp: calculating wrong addresses 2013-07-24 15:23:38 -07:00
sysrq.c sysrq: Allow magic SysRq key functions to be disabled through Kconfig 2013-10-16 13:01:44 -07:00
tty_audit.c audit: do not needlessly take a lock in tty_audit_exit 2013-04-30 15:31:28 -04:00
tty_buffer.c tty: Halve flip buffer GFP_ATOMIC memory consumption 2013-12-09 11:09:24 -08:00
tty_io.c tty: Reset hupped state on open 2013-11-25 08:56:49 -08:00
tty_ioctl.c tty: Fix SIGTTOU not sent with tcflush() 2013-09-25 17:52:17 -07:00
tty_ldisc.c tty: Convert termios_mutex to termios_rwsem 2013-07-23 16:43:01 -07:00
tty_ldsem.c tty: Add timed, writer-prioritized rw semaphore 2013-05-20 12:30:32 -07:00
tty_mutex.c
tty_port.c tty: Remove unused drop() method from tty_port interface 2013-09-25 18:08:34 -07:00