[Devel] [PATCH RHEL7 COMMIT] Revert "oom: Revert "oom: do not dump all tasks info on each oom kill""

Konstantin Khorenko khorenko at virtuozzo.com
Tue Nov 10 06:07:25 PST 2015


The commit is pushed to "branch-rh7-3.10.0-229.7.2.vz7.9.x-ovz" and will appear at https://src.openvz.org/scm/ovz/vzkernel.git
after rh7-3.10.0-229.7.2.vz7.9.7
------>
commit c065e5384402a807cbac24ef3fad225737840335
Author: Vladimir Davydov <vdavydov at virtuozzo.com>
Date:   Tue Nov 10 18:07:24 2015 +0400

    Revert "oom: Revert "oom: do not dump all tasks info on each oom kill""
    
    This reverts commit ff7cacf5ce32fb0047e36875ba329b9f338a38f9.
    
    This sysctl makes oom killer spit info about every task to dmesg, which
    slows down berserker pace significantly. What is worse it might hang the
    system if the console is slow. So disable it by default.
    
    Signed-off-by: Vladimir Davydov <vdavydov at virtuozzo.com>
---
 mm/oom_kill.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 76cc927..194dc3c 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -41,7 +41,7 @@
 
 int sysctl_panic_on_oom;
 int sysctl_oom_kill_allocating_task;
-int sysctl_oom_dump_tasks = 1;
+int sysctl_oom_dump_tasks;
 int sysctl_oom_relaxation = HZ;
 
 static DEFINE_SPINLOCK(oom_context_lock);


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