Messages in this thread | | | Date | Tue, 22 Jan 2013 16:04:36 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] MAX_PAUSE to be at least 4 |
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On Mon, 21 Jan 2013 14:07:34 +1100 paul.szabo@sydney.edu.au wrote:
> 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.
MAX_PAUSE is not used in this fashion in current kernels.
> (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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