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Message-Id: <1248267513-4934-1-git-send-email-tom.leiming@gmail.com>
Date: Wed, 22 Jul 2009 20:58:30 +0800
From: tom.leiming@...il.com
To: a.p.zijlstra@...llo.nl
Cc: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
mingo@...e.hu, torvalds@...ux-foundation.org,
Ming Lei <tom.leiming@...il.com>
Subject: [tip:core/locking 0/3] lockdep:bfs optimization
From: Ming Lei <tom.leiming@...il.com>
This series does the BFS optimizations:
.reintroduce DaveM's generation id to bfs to make it faster
.make bfs preallocated "stack" as per cpu variable
.add likely/unlikely annotations to BFS core routine
and the patches are based on Peter's patches against tip:core/locking:
http://marc.info/?l=linux-kernel&m=124793787804558&w=2
http://marc.info/?l=linux-kernel&m=124793787804556&w=2
Also, the patches have passed lockdep's selftest.
include/linux/lockdep.h | 1 +
kernel/lockdep.c | 26 ++++++++++++++------------
2 files changed, 15 insertions(+), 12 deletions(-)
Thanks,
Lei Ming
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