tree dccfe1ffac1202729238385923e74a8b5ebab979
parent 548e1ddf255b4ebfb4ef20c08936fd8d4deb3bd9
author Peter Zijlstra <a.p.zijlstra@chello.nl> 1242393567 +0200
committer Ingo Molnar <mingo@elte.hu> 1242394016 +0200

perf_counter: per user mlock gift

Instead of a per-process mlock gift for perf-counters, use a
per-user gift so that there is less of a DoS potential.

[ Impact: allow less worst-case unprivileged memory consumption ]

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20090515132018.496182835@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>