diff options
Diffstat (limited to 'Documentation/sysctl/fs.txt')
| -rw-r--r-- | Documentation/sysctl/fs.txt | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt index 1458448436cc..62682500878a 100644 --- a/Documentation/sysctl/fs.txt +++ b/Documentation/sysctl/fs.txt | |||
| @@ -96,13 +96,16 @@ handles that the Linux kernel will allocate. When you get lots | |||
| 96 | of error messages about running out of file handles, you might | 96 | of error messages about running out of file handles, you might |
| 97 | want to increase this limit. | 97 | want to increase this limit. |
| 98 | 98 | ||
| 99 | The three values in file-nr denote the number of allocated | 99 | Historically, the three values in file-nr denoted the number of |
| 100 | file handles, the number of unused file handles and the maximum | 100 | allocated file handles, the number of allocated but unused file |
| 101 | number of file handles. When the allocated file handles come | 101 | handles, and the maximum number of file handles. Linux 2.6 always |
| 102 | close to the maximum, but the number of unused file handles is | 102 | reports 0 as the number of free file handles -- this is not an |
| 103 | significantly greater than 0, you've encountered a peak in your | 103 | error, it just means that the number of allocated file handles |
| 104 | usage of file handles and you don't need to increase the maximum. | 104 | exactly matches the number of used file handles. |
| 105 | 105 | ||
| 106 | Attempts to allocate more file descriptors than file-max are | ||
| 107 | reported with printk, look for "VFS: file-max limit <number> | ||
| 108 | reached". | ||
| 106 | ============================================================== | 109 | ============================================================== |
| 107 | 110 | ||
| 108 | nr_open: | 111 | nr_open: |