From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx206.postini.com [74.125.245.206]) by kanga.kvack.org (Postfix) with SMTP id 389FB6B0005 for ; Sun, 20 Jan 2013 22:07:47 -0500 (EST) Date: Mon, 21 Jan 2013 14:07:34 +1100 From: paul.szabo@sydney.edu.au Message-Id: <201301210307.r0L37YuG018834@como.maths.usyd.edu.au> Subject: [PATCH] MAX_PAUSE to be at least 4 Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: 695182@bugs.debian.org, linux-kernel@vger.kernel.org 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 Reference: http://bugs.debian.org/695182 Signed-off-by: Paul Szabo --- 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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org