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| author | Nelson Elhage <nelhage@nelhage.com> | 2011-12-19 13:39:31 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-12-23 18:44:34 (GMT) |
| commit | 18e6093904abfd51671ff5846c2fdaba9ebbf21b (patch) | |
| tree | 5ff067b1fefef24fb8ba91496d7dcbf2a9f06f7d /drivers/dma/ppc4xx/dma.h | |
| parent | f41612f43be9575e1160460b08c3a760e6e27e1b (diff) | |
| download | linux-fsl-qoriq-18e6093904abfd51671ff5846c2fdaba9ebbf21b.tar.xz | |
perf: builtin-record: Provide advice if mmap'ing fails with EPERM.
This failure is most likely due to running up against the
kernel.perf_event_mlock_kb sysctl, so we can tell the user what to do to
fix the issue.
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1324301972-22740-3-git-send-email-nelhage@nelhage.com
Signed-off-by: Nelson Elhage <nelhage@nelhage.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/dma/ppc4xx/dma.h')
0 files changed, 0 insertions, 0 deletions