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mm: cleancache: report statistics via debugfs instead of sysfs.

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[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>
This commit is contained in:
Dan Magenheimer
2011-09-21 12:28:04 -04:00
committed by Konrad Rzeszutek Wilk
parent 91c6cc9b5c
commit 417fc2caef
3 changed files with 24 additions and 59 deletions
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4
Documentation/vm/cleancache.txt
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@@ -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