diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:00:05 +0200 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-09-04 10:00:05 +0200 |
| commit | 7ab222df40bc8251b5c3a7a19dfc9f7b0d4c8717 (patch) | |
| tree | 5f9f32c4799e627e9c4048e3244d23f076ab74dd | |
| parent | ac8727b68ca4c6b041e3361098fcc23f0c163e7e (diff) | |
proc.5: /proc/sys/fs/inode-max went away in Linux 2.4
Also, the 'preshrink' field in /proc/sys/fs/inode-state became
a dummy value in Linux 2.4.
See https://bugzilla.kernel.org/show_bug.cgi?id=60836
Reported-by: Marko Myllynen <myllynen@redhat.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man5/proc.5 | 29 |
1 files changed, 13 insertions, 16 deletions
diff --git a/man5/proc.5 b/man5/proc.5 index 1c427179..e40dd4d8 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -2497,15 +2497,6 @@ The kernel constant imposes an upper limit on the value that may be placed in .IR file-max . -If you increase -.IR /proc/sys/fs/file-max "," -be sure to increase -.I /proc/sys/fs/inode-max -to 3-4 times the new -value of -.IR /proc/sys/fs/file-max "," -or you will run out of inodes. - Privileged processes .RB ( CAP_SYS_ADMIN ) can override the @@ -2531,15 +2522,18 @@ a past peak in the usage of open file handles. Since Linux 2.6, the kernel does deallocate freed file handles, and the "free file handles" value is always zero. .TP -.I /proc/sys/fs/inode-max +.IR /proc/sys/fs/inode-max " (only present until Linux 2.2)" This file contains the maximum number of in-memory inodes. -On some (2.4) systems, it may not be present. This value should be 3-4 times larger than the value in .IR file-max , since \fIstdin\fP, \fIstdout\fP and network sockets also need an inode to handle them. When you regularly run out of inodes, you need to increase this value. + +Starting with Linux 2.4, +there is no longer a static limit on the number of inodes, +and this file is removed. .TP .I /proc/sys/fs/inode-nr This file contains the first two values from @@ -2551,20 +2545,23 @@ contains seven numbers: .IR nr_inodes , .IR nr_free_inodes , .IR preshrink , -and four dummy values. +and four dummy values (always zero). + .I nr_inodes is the number of inodes the system has allocated. -This can be slightly more than -.I inode-max -because Linux allocates them one page full at a time. +.\" This can be slightly more than +.\" .I inode-max +.\" because Linux allocates them one page full at a time. .I nr_free_inodes represents the number of free inodes. + .I preshrink is nonzero when the .I nr_inodes > .I inode-max -and the system needs to prune the inode list instead of allocating more. +and the system needs to prune the inode list instead of allocating more; +since Linux 2.4, this field is a dummy value (always zero). .TP .IR /proc/sys/fs/inotify " (since Linux 2.6.13)" This directory contains files |