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-rw-r--r--Documentation/filesystems/proc.txt13
1 files changed, 8 insertions, 5 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 02cb7faeed6b..bcceb99b81dd 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1384,15 +1384,18 @@ causes the kernel to prefer to reclaim dentries and inodes.
1384dirty_background_ratio 1384dirty_background_ratio
1385---------------------- 1385----------------------
1386 1386
1387Contains, as a percentage of total system memory, the number of pages at which 1387Contains, as a percentage of the dirtyable system memory (free pages + mapped
1388the pdflush background writeback daemon will start writing out dirty data. 1388pages + file cache, not including locked pages and HugePages), the number of
1389pages at which the pdflush background writeback daemon will start writing out
1390dirty data.
1389 1391
1390dirty_ratio 1392dirty_ratio
1391----------------- 1393-----------------
1392 1394
1393Contains, as a percentage of total system memory, the number of pages at which 1395Contains, as a percentage of the dirtyable system memory (free pages + mapped
1394a process which is generating disk writes will itself start writing out dirty 1396pages + file cache, not including locked pages and HugePages), the number of
1395data. 1397pages at which a process which is generating disk writes will itself start
1398writing out dirty data.
1396 1399
1397dirty_writeback_centisecs 1400dirty_writeback_centisecs
1398------------------------- 1401-------------------------