Messages in this thread Patch in this message | | | Date | Wed, 14 Nov 2012 01:15:19 -0800 (PST) | From | David Rientjes <> | Subject | [patch 1/4] mm, oom: ensure sysrq+f always passes valid zonelist |
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With hotpluggable and memoryless nodes, it's possible that node 0 will not be online, so use the first online node's zonelist rather than hardcoding node 0 to pass a zonelist with all zones to the oom killer.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David Rientjes <rientjes@google.com> --- drivers/tty/sysrq.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -346,7 +346,8 @@ static struct sysrq_key_op sysrq_term_op = { static void moom_callback(struct work_struct *ignored) { - out_of_memory(node_zonelist(0, GFP_KERNEL), GFP_KERNEL, 0, NULL, true); + out_of_memory(node_zonelist(first_online_node, GFP_KERNEL), GFP_KERNEL, + 0, NULL, true); } static DECLARE_WORK(moom_work, moom_callback);
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