[PATCH] x86: add sysctl for kstack_depth_to_print

[deliverable/linux.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 09e569f4792be6a80e08924e6ef98245b70f6d95..6fc5e17086f4ec094780161b7c431e98debd0077 100644 (file)
--- 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)
        {