From: Anton Blanchard Date: Fri, 27 Nov 2009 02:28:20 +0000 (+1100) Subject: softlockup: Fix hung_task_check_count sysctl X-Git-Tag: v2.6.33-rc1~403^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e5af02261668350b43eb7381648930bde8e872f7;p=pandora-kernel.git softlockup: Fix hung_task_check_count sysctl I'm seeing spikes of up to 0.5ms in khungtaskd on a large machine. To reduce this source of jitter I tried setting hung_task_check_count to 0: # echo 0 > /proc/sys/kernel/hung_task_check_count which didn't have the intended response. Change to a post increment of max_count, so a value of 0 means check 0 tasks. Signed-off-by: Anton Blanchard Acked-by: Frederic Weisbecker Cc: msb@google.com LKML-Reference: <20091127022820.GU32182@kryten> Signed-off-by: Ingo Molnar --- Reading git-diff-tree failed