Commit 41f95331 authored Jun 23, 2009 by Peter Zijlstra Committed by Ingo Molnar Jun 25, 2009

perf_counter: Split the mmap control page in two parts



Since there are two distinct sections to the control page,
move them apart so that possible extentions don't overlap.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 7c6a1c65

include/linux/perf_counter.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -233,6 +233,12 @@ struct perf_counter_mmap_page {
		__u32 index; /* hardware counter identifier */
		__s64 offset; /* add to hardware counter value */

		/*
		* Hole for extension of the self monitor capabilities
		*/

		__u64 __reserved[125]; /* align to 1k */

		/*
		* Control data for the mmap() data buffer.
		*