Module Name: src
Committed By: ad
Date: Sat Mar 14 14:15:43 UTC 2020
Modified Files:
src/sys/uvm: uvm_map.c uvm_map.h
Log Message:
- uvmspace_exec(), uvmspace_free(): if pmap_remove_all() returns true the
pmap is emptied. Pass UVM_FLAG_VAONLY when clearing out the map and avoid
needless extra work to tear down each mapping individually.
- uvm_map_lookup_entry(): remove the code to do a linear scan of map entries
for small maps, in preference to using the RB tree. It's questionable,
and I think the code is almost never triggered because the average number
of map entries has probably exceeded the hard-coded threshold for quite
some time.
- vm_map_entry: get it aligned on a cacheline boundary, and cluster fields
used during rbtree lookup at the beginning.
To generate a diff of this commit:
cvs rdiff -u -r1.372 -r1.373 src/sys/uvm/uvm_map.c
cvs rdiff -u -r1.78 -r1.79 src/sys/uvm/uvm_map.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
