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[PATCH] x86: add sysctl for kstack_depth_to_print

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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>
This commit is contained in:
Chuck Ebbert 2006-12-07 02:14:11 +01:00 • committed by Andi Kleen
parent c7a3392e9e
commit 0741f4d207
5 changed files with 21 additions and 2 deletions
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9
kernel/sysctl.c
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@ -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)
{