| commit | d3a532a9c617106a0169232d40164ee35d0440b5 | [log] [tgz] |
|---|---|---|
| author | Anton Vorontsov <anton.vorontsov@linaro.org> | Tue Feb 07 10:49:51 2012 +0400 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Thu Feb 09 09:03:30 2012 -0800 |
| tree | 4204ef5560c353f91cd275fb8303d799869dd97c | |
| parent | e502babe0a85226f2417b60a8710cf8192879180 [diff] |
sysrq: Properly check for kernel threads There's a real possibility of killing kernel threads that might have issued use_mm(), so kthread's mm might become non-NULL. This patch fixes the issue by checking for PF_KTHREAD (just as get_task_mm()). Suggested-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>