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Diffstat (limited to 'Documentation/sysctl/fs.txt')
-rw-r--r-- | Documentation/sysctl/fs.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/sysctl/fs.txt b/Documentation/sysctl/fs.txt index 88fd7f5..9330fba 100644 --- a/Documentation/sysctl/fs.txt +++ b/Documentation/sysctl/fs.txt @@ -32,6 +32,8 @@ Currently, these files are in /proc/sys/fs: - nr_open - overflowuid - overflowgid +- pipe-user-pages-hard +- pipe-user-pages-soft - suid_dumpable - super-max - super-nr @@ -157,6 +159,27 @@ The default is 65534. ============================================================== +pipe-user-pages-hard: + +Maximum total number of pages a non-privileged user may allocate for pipes. +Once this limit is reached, no new pipes may be allocated until usage goes +below the limit again. When set to 0, no limit is applied, which is the default +setting. + +============================================================== + +pipe-user-pages-soft: + +Maximum total number of pages a non-privileged user may allocate for pipes +before the pipe size gets limited to a single page. Once this limit is reached, +new pipes will be limited to a single page in size for this user in order to +limit total memory usage, and trying to increase them using fcntl() will be +denied until usage goes below the limit again. The default value allows to +allocate up to 1024 pipes at their default size. When set to 0, no limit is +applied. + +============================================================== + suid_dumpable: This value can be used to query and set the core dump mode for setuid |