Commit-ID: 3a0304e90aa5a2c0c308a05d28f7d109a48d8539 Gitweb: http://git.kernel.org/tip/3a0304e90aa5a2c0c308a05d28f7d109a48d8539 Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> AuthorDate: Fri, 26 Feb 2010 10:33:41 +0100 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Fri, 26 Feb 2010 10:56:52 +0100 perf_events: Report the MMAP pgoff value in bytes DaveM reported that currently perf interprets the pgoff value reported by the MMAP events as a byte range, but the kernel reports it as a page offset. Since its broken (and unusable) anyway, change the kernel behaviour (ABI) to report bytes indeed, avoiding the need for userspace to deal with PAGE_SIZE things. Reported-by: David Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- kernel/perf_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 087025f..5a69abb 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -3749,7 +3749,7 @@ void __perf_event_mmap(struct vm_area_struct *vma) /* .tid */ .start = vma->vm_start, .len = vma->vm_end - vma->vm_start, - .pgoff = vma->vm_pgoff, + .pgoff = (u64)vma->vm_pgoff << PAGE_SHIFT, }, }; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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