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| author | Dan Magenheimer <dan.magenheimer@oracle.com> | 2011-09-21 18:28:04 +0200 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-23 22:07:50 +0100 |
| commit | 417fc2caef268ed23169316f6c5e3a33775bfae5 (patch) | |
| tree | 5bf70792f749645518bf8d13ac4853afd300a808 /Documentation | |
| parent | mm: zcache/tmem/cleancache: s/flush/invalidate/ (diff) | |
| download | linux-417fc2caef268ed23169316f6c5e3a33775bfae5.tar.xz linux-417fc2caef268ed23169316f6c5e3a33775bfae5.zip | |
mm: cleancache: report statistics via debugfs instead of sysfs.
[v9: akpm@linux-foundation.org: sysfs->debugfs; no longer need Doc/ABI file]
Signed-off-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Konrad Wilk <konrad.wilk@oracle.com>
Cc: Jan Beulich <JBeulich@novell.com>
Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Matthew Wilcox <matthew@wil.cx>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Rik Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-mm-cleancache | 11 | ||||
| -rw-r--r-- | Documentation/vm/cleancache.txt | 4 |
2 files changed, 2 insertions, 13 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-cleancache b/Documentation/ABI/testing/sysfs-kernel-mm-cleancache deleted file mode 100644 index 662ae646ea12..000000000000 --- a/Documentation/ABI/testing/sysfs-kernel-mm-cleancache +++ /dev/null @@ -1,11 +0,0 @@ -What: /sys/kernel/mm/cleancache/ -Date: April 2011 -Contact: Dan Magenheimer <dan.magenheimer@oracle.com> -Description: - /sys/kernel/mm/cleancache/ contains a number of files which - record a count of various cleancache operations - (sum across all filesystems): - succ_gets - failed_gets - puts - flushes diff --git a/Documentation/vm/cleancache.txt b/Documentation/vm/cleancache.txt index e0a535677b7b..f726717ace6b 100644 --- a/Documentation/vm/cleancache.txt +++ b/Documentation/vm/cleancache.txt @@ -84,8 +84,8 @@ lock the page to ensure serial behavior. CLEANCACHE PERFORMANCE METRICS -Cleancache monitoring is done by sysfs files in the -/sys/kernel/mm/cleancache directory. The effectiveness of cleancache +If properly configured, monitoring of cleancache is done via debugfs in +the /sys/kernel/debug/mm/cleancache directory. The effectiveness of cleancache can be measured (across all filesystems) with: succ_gets - number of gets that were successful |