Commit-ID: 3e0091e2b6f8cd59e567f247e345a3a6ad1f6e7e
Gitweb: http://git.kernel.org/tip/3e0091e2b6f8cd59e567f247e345a3a6ad1f6e7e
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Tue, 26 Jun 2012 23:38:39 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 5 Jul 2012 21:55:58 +0200
perf/x86: Save a few bytes in 'struct x86_pmu'
All these are basically boolean flags, use a bitfield to save a few
bytes.
Suggested-by: Borislav Petkov <bp@xxxxxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-vsevd5g8lhcn129n3s7trl7r@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/perf_event.h | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 3f5c669..a15df4b 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -374,8 +374,11 @@ struct x86_pmu {
/*
* Intel DebugStore bits
*/
- int bts, pebs;
- int bts_active, pebs_active, pebs_broken;
+ int bts :1,
+ bts_active :1,
+ pebs :1,
+ pebs_active :1,
+ pebs_broken :1;
int pebs_record_size;
void (*drain_pebs)(struct pt_regs *regs);
struct event_constraint *pebs_constraints;
--
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
|