Fix typos in Documentation/: 'H'-'M'

[deliverable/linux.git] / Documentation / filesystems / proc.txt

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 99902ae6804e6edb0550fac53ce34b9070842895..8d6590d5f35d61e97ea47503b10bf1714fb14c7c 100644 (file)
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -39,6 +39,8 @@ Table of Contents
   2.9  Appletalk
   2.10 IPX
   2.11 /proc/sys/fs/mqueue - POSIX message queues filesystem
+  2.12 /proc/<pid>/oom_adj - Adjust the oom-killer score
+  2.13 /proc/<pid>/oom_score - Display current oom-killer score
 
 ------------------------------------------------------------------------------
 Preface
@@ -408,7 +410,7 @@ VmallocChunk:   111088 kB
               this memory, making it slower to access than lowmem.
     LowTotal:
      LowFree: Lowmem is memory which can be used for everything that
-              highmem can be used for, but it is also availble for the
+              highmem can be used for, but it is also available for the
               kernel's use for its own data structures.  Among many
               other things, it is where everything from the Slab is
               allocated.  Bad things happen when you're out of lowmem.
@@ -1124,11 +1126,15 @@ debugging information is displayed on console.
 NMI switch that most IA32 servers have fires unknown NMI up, for example.
 If a system hangs up, try pressing the NMI switch.
 
-[NOTE]
-   This function and oprofile share a NMI callback. Therefore this function
-   cannot be enabled when oprofile is activated.
-   And NMI watchdog will be disabled when the value in this file is set to
-   non-zero.
+nmi_watchdog
+------------
+
+Enables/Disables the NMI watchdog on x86 systems.  When the value is non-zero
+the NMI watchdog is enabled and will continuously test all online cpus to
+determine whether or not they are still functioning properly.
+
+Because the NMI watchdog shares registers with oprofile, by disabling the NMI
+watchdog, oprofile may have more registers to utilize.
 
 
 2.4 /proc/sys/vm - The virtual memory subsystem
@@ -1582,7 +1588,7 @@ Enable the  strict  RFC793 interpretation of the TCP urgent pointer field. The
 default is  to  use  the  BSD  compatible interpretation of the urgent pointer
 pointing to the first byte after the urgent data. The RFC793 interpretation is
 to have  it  point  to  the last byte of urgent data. Enabling this option may
-lead to interoperatibility problems. Disabled by default.
+lead to interoperability problems. Disabled by default.
 
 tcp_syncookies
 --------------
@@ -1958,6 +1964,22 @@ a queue must be less or equal then msg_max.
 maximum  message size value (it is every  message queue's attribute set during
 its creation).
 
+2.12 /proc/<pid>/oom_adj - Adjust the oom-killer score
+------------------------------------------------------
+
+This file can be used to adjust the score used to select which processes
+should be killed in an  out-of-memory  situation.  Giving it a high score will
+increase the likelihood of this process being killed by the oom-killer.  Valid
+values are in the range -16 to +15, plus the special value -17, which disables
+oom-killing altogether for this process.
+
+2.13 /proc/<pid>/oom_score - Display current oom-killer score
+-------------------------------------------------------------
+
+------------------------------------------------------------------------------
+This file can be used to check the current score used by the oom-killer is for
+any given <pid>. Use it together with /proc/<pid>/oom_adj to tune which
+process should be killed in an out-of-memory situation.
 
 ------------------------------------------------------------------------------
 Summary