cvs commit: src/sys/vm vm_fault.c
alc at FreeBSD.org
Sat Aug 23 01:52:48 PDT 2003
alc 2003/08/22 23:52:32 PDT
FreeBSD src repository
To implement the sequential access optimization, vm_fault() may need to
reacquire the "first" object's lock while a backing object's lock is held.
Since this is a lock-order reversal, vm_fault() uses trylock to acquire
the first object's lock, skipping the sequential access optimization in
the unlikely event that the trylock fails.
Revision Changes Path
1.175 +10 -8 src/sys/vm/vm_fault.c
More information about the cvs-src