X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=Documentation%2Ffilesystems%2Fproc.txt;h=9d626596d5b4ca647e5e913880052ac170eb29e1;hb=9bf4aaab3e101692164d49b7ca357651eb691cb6;hp=bc552015b66b047be5247eb203d17ed69aebe143;hpb=db216c3d5e4c040e557a50f8f5d35d5c415e8c1c;p=linux-2.6.git

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index bc552015b..9d626596d 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -201,7 +201,7 @@ Table 1-3: Kernel info in /proc
  devices     Available devices (block and character)           
  dma         Used DMS channels                                 
  filesystems Supported filesystems                             
- driver	     Various drivers grouped here, currently rtc	(2.4)
+ driver	     Various drivers grouped here, currently rtc (2.4)
  execdomains Execdomains, related to security			(2.4)
  fb	     Frame Buffer devices				(2.4)
  fs	     File system parameters, currently nfs/exports	(2.4)
@@ -1115,6 +1115,18 @@ program to load modules on demand.
 The files  in  this directory can be used to tune the operation of the virtual
 memory (VM)  subsystem  of  the  Linux  kernel.
 
+vfs_cache_pressure
+------------------
+
+Controls the tendency of the kernel to reclaim the memory which is used for
+caching of directory and inode objects.
+
+At the default value of vfs_cache_pressure=100 the kernel will attempt to
+reclaim dentries and inodes at a "fair" rate with respect to pagecache and
+swapcache reclaim.  Decreasing vfs_cache_pressure causes the kernel to prefer
+to retain dentry and inode caches.  Increasing vfs_cache_pressure beyond 100
+causes the kernel to prefer to reclaim dentries and inodes.
+
 dirty_background_ratio
 ----------------------
 
@@ -1220,6 +1232,18 @@ nr_hugepages configures number of hugetlb page reserved for the system.
 hugetlb_shm_group contains group id that is allowed to create SysV shared
 memory segment using hugetlb page.
 
+laptop_mode
+-----------
+
+laptop_mode is a knob that controls "laptop mode". All the things that are
+controlled by this knob are discussed in Documentation/laptop-mode.txt.
+
+block_dump
+----------
+
+block_dump enables block I/O debugging when set to a nonzero value. More
+information on block I/O debugging is in Documentation/laptop-mode.txt.
+
 2.5 /proc/sys/dev - Device specific parameters
 ----------------------------------------------
 
@@ -1640,7 +1664,8 @@ flush
 
 Writing to this file results in a flush of the routing cache.
 
-gc_elastic, gc_interval, gc_min_interval, gc_tresh, gc_timeout
+gc_elasticity, gc_interval, gc_min_interval, gc_tresh, gc_timeout,
+gc_thresh, gc_thresh1, gc_thresh2, gc_thresh3
 --------------------------------------------------------------
 
 Values to  control  the  frequency  and  behavior  of  the  garbage collection