Ensure MAX_PAUSE is 4 or larger, so limits in
return clamp_val(t, 4, MAX_PAUSE);
(the only use of it) are not back-to-front.
(This patch does not solve the PAE OOM issue.)
Paul Szabo [email protected] http://www.maths.usyd.edu.au/u/psz/
School of Mathematics and Statistics University of Sydney Australia
Reported-by: Paul Szabo <[email protected]>
Reference: http://bugs.debian.org/695182
Signed-off-by: Paul Szabo <[email protected]>
--- mm/page-writeback.c.old 2012-12-06 22:20:40.000000000 +1100
+++ mm/page-writeback.c 2013-01-21 13:57:05.000000000 +1100
@@ -39,7 +39,7 @@
/*
* Sleep at most 200ms at a time in balance_dirty_pages().
*/
-#define MAX_PAUSE max(HZ/5, 1)
+#define MAX_PAUSE max(HZ/5, 4)
/*
* Estimate write bandwidth at 200ms intervals.
--
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