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Note shrinkage of lock_object and the subsequent widespread kernel ABI

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breakage.
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John Baldwin 2006-01-06 19:04:39 +00:00
parent 3c6decc327
commit 6bed9d9e73
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154078
1 changed files with 6 additions and 0 deletions
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@ -21,6 +21,12 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 7.x IS SLOW:
developers choose to disable these features on build machines developers choose to disable these features on build machines
to maximize performance. to maximize performance.
20060106:
The kernel ABI was mostly destroyed due to a change in the size
of struct lock_object which is nested in other structures such
as mutexes which are nested in all sorts of other structures.
Make sure your kernel and modules are in sync.
20051231: 20051231:
The page coloring algorithm in the VM subsystem was converted The page coloring algorithm in the VM subsystem was converted
from tuning with kernel options to autotuning. Please remove from tuning with kernel options to autotuning. Please remove