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n_tty: update comment for WAKEUP_CHARS define 

Give a better descriptions of what WAKEUP_CHARS represents.

Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valentin Vidic 2018-12-29 13:48:29 +01:00 committed by Greg Kroah-Hartman
parent 4feb7a4a12
commit a5db482640
1 changed files with 4 additions and 2 deletions
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6
drivers/tty/n_tty.c
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@ -50,8 +50,10 @@
#include <linux/ratelimit.h>
#include <linux/vmalloc.h>
/* number of characters left in xmit buffer before select has we have room */
/*
* Until this number of characters is queued in the xmit buffer, select will
* return "we have room for writes".
*/
#define WAKEUP_CHARS 256
/*