Messages in this thread Patch in this message | | | Date | Mon, 21 Jan 2013 14:07:34 +1100 | From | paul.szabo@sydney ... | Subject | [PATCH] MAX_PAUSE to be at least 4 |
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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 psz@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney Australia
Reported-by: Paul Szabo <psz@maths.usyd.edu.au> Reference: http://bugs.debian.org/695182 Signed-off-by: Paul Szabo <psz@maths.usyd.edu.au>
--- 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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