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| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-02-04 09:25:26 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2018-02-04 09:40:48 +0100 |
| commit | b230d246b2f2556ed193d06b49900786e039adce (patch) | |
| tree | f1e199b82899df01dd9b54a7447e4f17e9df6242 | |
| parent | e121158211d686371e80e02c2c5981d162b51e7b (diff) | |
| download | man-pages-b230d246b2f2556ed193d06b49900786e039adce.tar.gz | |
tmpfs.5: Document 'huge' mount options
Based on text from Documentation/vm/transhuge.txt.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man5/tmpfs.5 | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/man5/tmpfs.5 b/man5/tmpfs.5 index c38126e3e1..885b601270 100644 --- a/man5/tmpfs.5 +++ b/man5/tmpfs.5 @@ -144,22 +144,28 @@ value is one of the following: .RS .TP .B never - +Do not allocate huge pages. +This is the default. .TP .B always - +Attempt to allocate huge pages every time a new page is needed. .TP .B within_size - +Only allocate huge page if it will be fully within +.IR i_size . +Also respect +.BR fadvise (2)/ madvise (2) +hints .TP .B advise - +Only allocate huge pages if requested with +.BR fadvise (2)/ madvise (2). .TP .B deny - +For use in emergencies, to force the huge option off from all mounts. .TP .B force - +Force the huge option on for all mounts; useful for testing. .RE .TP .BR mpol "=\fImpol_option\fR (since Linux 2.6.15)" |