fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / Documentation / sysctl / kernel.txt

diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt
index 9a193fc..5922e84 100644 (file)
--- a/Documentation/sysctl/kernel.txt
+++ b/Documentation/sysctl/kernel.txt
@@ -16,6 +16,7 @@ before actually making adjustments.
 
 Currently, these files might (depending on your configuration)
 show up in /proc/sys/kernel:
+- acpi_video_flags
 - acct
 - core_pattern
 - core_uses_pid
@@ -23,10 +24,10 @@ show up in /proc/sys/kernel:
 - dentry-state
 - domainname
 - hostname
-- htab-reclaim                [ PPC only ]
 - hotplug
 - java-appletviewer           [ binfmt_java, obsolete ]
 - java-interpreter            [ binfmt_java, obsolete ]
+- kstack_depth_to_print       [ X86 only ]
 - l2cr                        [ PPC only ]
 - modprobe                    ==> Documentation/kmod.txt
 - msgmax
@@ -54,7 +55,15 @@ show up in /proc/sys/kernel:
 - tainted
 - threads-max
 - version
-- zero-paged                  [ PPC only ]
+
+==============================================================
+
+acpi_video_flags:
+
+flags
+
+See Doc*/kernel/power/video.txt, it allows mode of video boot to be
+set during run time.
 
 ==============================================================
 
@@ -78,7 +87,7 @@ valid for 30 seconds.
 core_pattern:
 
 core_pattern is used to specify a core dumpfile pattern name.
-. max length 64 characters; default value is "core"
+. max length 128 characters; default value is "core"
 . core_pattern is used as a pattern template for the output filename;
   certain string patterns (beginning with '%') are substituted with
   their actual values.
@@ -97,6 +106,9 @@ core_pattern is used to specify a core dumpfile pattern name.
        %h      hostname
        %e      executable filename
        %<OTHER> both are dropped
+. If the first character of the pattern is a '|', the kernel will treat
+  the rest of the pattern as a command to run.  The core dump will be
+  written to the standard input of that program instead of to a file.
 
 ==============================================================
 
@@ -133,8 +145,8 @@ domainname and hostname, i.e.:
 # echo "darkstar" > /proc/sys/kernel/hostname
 # echo "mydomain" > /proc/sys/kernel/domainname
 has the same effect as
-# hostname "darkstar" > /proc/sys/kernel/hostname
-# domainname "mydomain" > /proc/sys/kernel/domainname
+# hostname "darkstar"
+# domainname "mydomain"
 
 Note, however, that the classic darkstar.frop.org has the
 hostname "darkstar" and DNS (Internet Domain Name Server)
@@ -145,14 +157,6 @@ see the hostname(1) man page.
 
 ==============================================================
 
-htab-reclaim: (PPC only)
-
-Setting this to a non-zero value, the PowerPC htab
-(see Documentation/powerpc/ppc_htab.txt) is pruned
-each time the system hits the idle loop.
- 
-==============================================================
-
 hotplug:
 
 Path for the hotplug policy agent.
@@ -167,6 +171,13 @@ This flag controls the L2 cache of G3 processor boards. If
 
 ==============================================================
 
+kstack_depth_to_print: (X86 only)
+
+Controls the number of words to print when dumping the raw
+kernel stack.
+
+==============================================================
+
 osrelease, ostype & version:
 
 # cat osrelease
@@ -210,9 +221,8 @@ Controls the kernel's behaviour when an oops or BUG is encountered.
 
 0: try to continue operation
 
-1: delay a few seconds (to give klogd time to record the oops output) and
-   then panic.  If the `panic' sysctl is also non-zero then the machine will
-   be rebooted.
+1: panic immediatly.  If the `panic' sysctl is also non-zero then the
+   machine will be rebooted.
 
 ==============================================================
 
@@ -322,11 +332,3 @@ can be ORed together:
       Set by modutils >= 2.4.9 and module-init-tools.
   4 - Unsafe SMP processors: SMP with CPUs not designed for SMP.
 
-==============================================================
-
-zero-paged: (PPC only)
-
-When enabled (non-zero), Linux-PPC will pre-zero pages in
-the idle loop, possibly speeding up get_free_pages. Since
-this only affects what the idle loop is doing, you should
-enable this and see if anything changes.