Commit d08c429b authored by Johannes Weiner's avatar Johannes Weiner Committed by Linus Torvalds

mm/page-writeback.c: document bdi_min_ratio

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Signed-off-by: default avatarJohannes Weiner <jweiner@redhat.com>
Acked-by: default avatarPeter Zijlstra <peterz@infradead.org>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 3da367c3
...@@ -305,7 +305,9 @@ static unsigned long task_min_dirty_limit(unsigned long bdi_dirty) ...@@ -305,7 +305,9 @@ static unsigned long task_min_dirty_limit(unsigned long bdi_dirty)
} }
/* /*
* * bdi_min_ratio keeps the sum of the minimum dirty shares of all
* registered backing devices, which, for obvious reasons, can not
* exceed 100%.
*/ */
static unsigned int bdi_min_ratio; static unsigned int bdi_min_ratio;
......
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