diff options
-rw-r--r-- | Documentation/laptops/laptop-mode.txt | 12 | ||||
-rw-r--r-- | Documentation/sysctl/vm.txt | 14 |
2 files changed, 13 insertions, 13 deletions
diff --git a/Documentation/laptops/laptop-mode.txt b/Documentation/laptops/laptop-mode.txt index 0bf25eebce94..4ebbfc3f1c6e 100644 --- a/Documentation/laptops/laptop-mode.txt +++ b/Documentation/laptops/laptop-mode.txt | |||
@@ -262,9 +262,9 @@ MINIMUM_BATTERY_MINUTES=10 | |||
262 | 262 | ||
263 | # | 263 | # |
264 | # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been | 264 | # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been |
265 | # exceeded, the kernel will wake pdflush which will then reduce the amount | 265 | # exceeded, the kernel will wake flusher threads which will then reduce the |
266 | # of dirty memory to dirty_background_ratio. Set this nice and low, so once | 266 | # amount of dirty memory to dirty_background_ratio. Set this nice and low, |
267 | # some writeout has commenced, we do a lot of it. | 267 | # so once some writeout has commenced, we do a lot of it. |
268 | # | 268 | # |
269 | #DIRTY_BACKGROUND_RATIO=5 | 269 | #DIRTY_BACKGROUND_RATIO=5 |
270 | 270 | ||
@@ -384,9 +384,9 @@ CPU_MAXFREQ=${CPU_MAXFREQ:-'slowest'} | |||
384 | 384 | ||
385 | # | 385 | # |
386 | # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been | 386 | # Allowed dirty background ratio, in percent. Once DIRTY_RATIO has been |
387 | # exceeded, the kernel will wake pdflush which will then reduce the amount | 387 | # exceeded, the kernel will wake flusher threads which will then reduce the |
388 | # of dirty memory to dirty_background_ratio. Set this nice and low, so once | 388 | # amount of dirty memory to dirty_background_ratio. Set this nice and low, |
389 | # some writeout has commenced, we do a lot of it. | 389 | # so once some writeout has commenced, we do a lot of it. |
390 | # | 390 | # |
391 | DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'} | 391 | DIRTY_BACKGROUND_RATIO=${DIRTY_BACKGROUND_RATIO:-'5'} |
392 | 392 | ||
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index dcc2a94ae34e..078701fdbd4d 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt | |||
@@ -76,8 +76,8 @@ huge pages although processes will also directly compact memory as required. | |||
76 | 76 | ||
77 | dirty_background_bytes | 77 | dirty_background_bytes |
78 | 78 | ||
79 | Contains the amount of dirty memory at which the pdflush background writeback | 79 | Contains the amount of dirty memory at which the background kernel |
80 | daemon will start writeback. | 80 | flusher threads will start writeback. |
81 | 81 | ||
82 | Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only | 82 | Note: dirty_background_bytes is the counterpart of dirty_background_ratio. Only |
83 | one of them may be specified at a time. When one sysctl is written it is | 83 | one of them may be specified at a time. When one sysctl is written it is |
@@ -89,7 +89,7 @@ other appears as 0 when read. | |||
89 | dirty_background_ratio | 89 | dirty_background_ratio |
90 | 90 | ||
91 | Contains, as a percentage of total system memory, the number of pages at which | 91 | Contains, as a percentage of total system memory, the number of pages at which |
92 | the pdflush background writeback daemon will start writing out dirty data. | 92 | the background kernel flusher threads will start writing out dirty data. |
93 | 93 | ||
94 | ============================================================== | 94 | ============================================================== |
95 | 95 | ||
@@ -112,9 +112,9 @@ retained. | |||
112 | dirty_expire_centisecs | 112 | dirty_expire_centisecs |
113 | 113 | ||
114 | This tunable is used to define when dirty data is old enough to be eligible | 114 | This tunable is used to define when dirty data is old enough to be eligible |
115 | for writeout by the pdflush daemons. It is expressed in 100'ths of a second. | 115 | for writeout by the kernel flusher threads. It is expressed in 100'ths |
116 | Data which has been dirty in-memory for longer than this interval will be | 116 | of a second. Data which has been dirty in-memory for longer than this |
117 | written out next time a pdflush daemon wakes up. | 117 | interval will be written out next time a flusher thread wakes up. |
118 | 118 | ||
119 | ============================================================== | 119 | ============================================================== |
120 | 120 | ||
@@ -128,7 +128,7 @@ data. | |||
128 | 128 | ||
129 | dirty_writeback_centisecs | 129 | dirty_writeback_centisecs |
130 | 130 | ||
131 | The pdflush writeback daemons will periodically wake up and write `old' data | 131 | The kernel flusher threads will periodically wake up and write `old' data |
132 | out to disk. This tunable expresses the interval between those wakeups, in | 132 | out to disk. This tunable expresses the interval between those wakeups, in |
133 | 100'ths of a second. | 133 | 100'ths of a second. |
134 | 134 | ||