git: kernel - Use unused thread_t field for lock tracker.

[Matthew Dillon]

commit d0e9385d609dcd48637f7ba54b43465f1deb4aba
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Sep 1 17:49:13 2015 -0700

    kernel - Use unused thread_t field for lock tracker.
    
    * Repurpose an unused struct thread field to add td_tracker.  Structure
      size does not change.  Used for debugging only.

Summary of changes:
 sys/sys/thread.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d0e9385d609dcd48637f7ba54b43465f1deb4aba


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