¡¡¡¡ÔÚ linux ºËÐÄÅäÖÃÀïÓÐÒ»¸öÑ¡Ïî 'CONFIG_LEGACY_PTY_COUNT' ÊÇÓÃÀ´¿ØÖÆÏµÍ³ÄÚ½¨¶àÉÙ¸ö legacy tty É豸£»
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¡¡¡¡Èç¹ûʹÓý»»¥µÄ config ·½Ê½£¬Èç menuconfig, xconfig £» ×¢ÒâͬʱÐÞ¸Ä /usr/src/linux/drivers/char/Kconfig Îļþ
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¡¡¡¡config LEGACY_PTY_COUNT
int "Maximum number of legacy PTY in use"
depends on LEGACY_PTYS
range 1 256
default "256"
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¡¡¡¡config LEGACY_PTY_COUNT
int "Maximum number of legacy PTY in use"
depends on LEGACY_PTYS
range 1 1024
default "256"
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