diff options
| author | Chuck Ebbert <76306.1226@compuserve.com> | 2006-12-07 02:14:11 +0100 |
|---|---|---|
| committer | Andi Kleen <andi@basil.nowhere.org> | 2006-12-07 02:14:11 +0100 |
| commit | 0741f4d207a644482d7a040f05cd264c98cf7ee8 (patch) | |
| tree | 787f2fffc12871d0f19e492fc4258cda254aa42d /kernel/sysctl.c | |
| parent | c7a3392e9e53e43c44a971de3dd480a8e2788e75 (diff) | |
| download | lwn-0741f4d207a644482d7a040f05cd264c98cf7ee8.tar.gz lwn-0741f4d207a644482d7a040f05cd264c98cf7ee8.zip | |
[PATCH] x86: add sysctl for kstack_depth_to_print
Add sysctl for kstack_depth_to_print. This lets users change
the amount of raw stack data printed in dump_stack() without
having to reboot.
Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 09e569f4792b..6fc5e17086f4 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -54,6 +54,7 @@ extern int proc_nr_files(ctl_table *table, int write, struct file *filp, #ifdef CONFIG_X86 #include <asm/nmi.h> +#include <asm/stacktrace.h> #endif #if defined(CONFIG_SYSCTL) @@ -707,6 +708,14 @@ static ctl_table kern_table[] = { .mode = 0444, .proc_handler = &proc_dointvec, }, + { + .ctl_name = CTL_UNNUMBERED, + .procname = "kstack_depth_to_print", + .data = &kstack_depth_to_print, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec, + }, #endif #if defined(CONFIG_MMU) { |