diff options
Diffstat (limited to 'drivers/char/sysrq.c')
| -rw-r--r-- | drivers/char/sysrq.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 8c385a3f7e64a..f59f7cbd525bc 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -31,9 +31,10 @@ #include <linux/suspend.h> #include <linux/writeback.h> #include <linux/buffer_head.h> /* for fsync_bdev() */ - +#include <linux/swap.h> #include <linux/spinlock.h> #include <linux/vt_kern.h> +#include <linux/workqueue.h> #include <asm/ptrace.h> @@ -209,6 +210,24 @@ static struct sysrq_key_op sysrq_term_op = { .enable_mask = SYSRQ_ENABLE_SIGNAL, }; +static void moom_callback(void *ignored) +{ + out_of_memory(GFP_KERNEL); +} + +static DECLARE_WORK(moom_work, moom_callback, NULL); + +static void sysrq_handle_moom(int key, struct pt_regs *pt_regs, + struct tty_struct *tty) +{ + schedule_work(&moom_work); +} +static struct sysrq_key_op sysrq_moom_op = { + .handler = sysrq_handle_moom, + .help_msg = "Full", + .action_msg = "Manual OOM execution", +}; + static void sysrq_handle_kill(int key, struct pt_regs *pt_regs, struct tty_struct *tty) { @@ -257,7 +276,7 @@ static struct sysrq_key_op *sysrq_key_table[SYSRQ_KEY_TABLE_LENGTH] = { /* c */ NULL, /* d */ NULL, /* e */ &sysrq_term_op, -/* f */ NULL, +/* f */ &sysrq_moom_op, /* g */ NULL, /* h */ NULL, /* i */ &sysrq_kill_op, |