95ef16528
Mike Frysinger
2005-07-06
Subject
2005-07-05 Shaun Jackman
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Commit Diff GitHub →
init/Config.in+8 -0
| @@ -35,6 +35,14 @@ config CONFIG_FEATURE_INIT_COREDUMPS | |
| core file sizes. If this option is disabled, processes | |
| will not generate any core files. | |
| + | config CONFIG_FEATURE_INIT_SWAPON |
| + | bool " Should init run swapon if short on memory?" |
| + | default y |
| + | depends on CONFIG_INIT |
| + | help |
| + | If the system has less than one megabyte of total memory, init |
| + | will run '/sbin/swapon -a' to add swap memory. |
| + | |
| config CONFIG_FEATURE_EXTRA_QUIET | |
| bool " Should init be _extra_ quiet on boot?" | |
| default y | |
init/init.c+6 -0
| @@ -309,6 +309,7 @@ static void set_term(int fd) | |
| tcsetattr(fd, TCSANOW, &tty); | |
| } | |
| + | #ifdef CONFIG_FEATURE_INIT_SWAPON |
| /* How much memory does this machine have? | |
| Units are kBytes to avoid overflow on 4GB machines */ | |
| static unsigned int check_free_memory(void) | |
| @@ -337,6 +338,7 @@ static unsigned int check_free_memory(void) | |
| return(result * u); | |
| } | |
| } | |
| + | #endif /* CONFIG_FEATURE_INIT_SWAPON */ |
| static void console_init(void) | |
| { | |
| @@ -910,6 +912,7 @@ static void delete_init_action(struct init_action *action) | |
| } | |
| } | |
| + | #ifdef CONFIG_FEATURE_INIT_SWAPON |
| /* Make sure there is enough memory to do something useful. * | |
| * Calls "swapon -a" if needed so be sure /etc/fstab is present... */ | |
| static void check_memory(void) | |
| @@ -937,6 +940,9 @@ static void check_memory(void) | |
| message(CONSOLE, "Sorry, your computer does not have enough memory."); | |
| loop_forever(); | |
| } | |
| + | #else |
| + | # define check_memory() |
| + | #endif /* CONFIG_FEATURE_INIT_SWAPON */ |
| /* NOTE that if CONFIG_FEATURE_USE_INITTAB is NOT defined, | |
| * then parse_inittab() simply adds in some default | |