[PATCH] Update the sysrq+f documentnation.

[Michal Hocko]

Requested-by: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Michal Hocko <mhocko@xxxxxxx>
---
 Documentation/sysrq.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt
index 0e307c94809a..a5dd88b0aede 100644
--- a/Documentation/sysrq.txt
+++ b/Documentation/sysrq.txt
@@ -75,7 +75,10 @@ On other - If you know of the key combos for other architectures, please
 
 'e'     - Send a SIGTERM to all processes, except for init.
 
-'f'	- Will call oom_kill to kill a memory hog process.
+'f'	- Will call oom_kill to kill a memory hog process. Please note that
+	  an ongoing OOM killer is ignored and a task is killed even though
+	  there was an oom victim selected already. panic_on_oom is ignored
+	  and the system doesn't panic if there are no oom killable tasks.
 
 'g'	- Used by kgdb (kernel debugger)
 
-- 
2.1.4


-- 
Michal Hocko
SUSE Labs
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