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tty: move N_TTY_BUF_SIZE to n_tty

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"N_TTY_BUF_SIZE" is private to n_tty and shall not be exposed to the
world. Definitely not in tty.h somewhere in the middle of "struct
tty_struct".

This is a remnant of moving "read_flags" to "struct n_tty_data" in
commit 3fe780b379 ("TTY: move ldisc data from tty_struct: bitmaps").
But some cleanup was needed first (in previous patches).

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250317070046.24386-5-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2025-03-17 08:00:19 +01:00 • committed by Greg Kroah-Hartman
parent 0738abc2a4
commit d2e38e713b
2 changed files with 2 additions and 1 deletions
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2
drivers/tty/n_tty.c
View file

@ -56,6 +56,8 @@
*/
#define WAKEUP_CHARS 256
#define N_TTY_BUF_SIZE 4096
/*
* This defines the low- and high-watermarks for throttling and
* unthrottling the TTY driver. These watermarks are used for

1
include/linux/tty.h
View file

@ -239,7 +239,6 @@ struct tty_struct {
struct list_head tty_files;
#define N_TTY_BUF_SIZE 4096
struct work_struct SAK_work;
} __randomize_layout;