tree 5cbc8c2cb9b11acb5bc21009d27da3978c1c0db2
parent c2990a2a582d73562d4dcf2502c39892a19a691d
author Ingo Molnar <mingo@elte.hu> 1243148557 +0200
committer Ingo Molnar <mingo@elte.hu> 1243148557 +0200

perf_counter: Increase mmap limit

In a default 'perf top' run the tool will create a counter for
each online CPU. With enough CPUs this will eventually exhaust
the default limit.

So scale it up with the number of online CPUs.

Cc: 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>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>