d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Rather than bringing back all of the changes to make VM map deletion

Browse Source 
wait for system wires to disappear, do so (much more trivially) by
instead only checking for system wires of user maps and not kernel maps.

Alternative by:	tor
Reviewed by:	alc
This commit is contained in:
green 2004-08-16 03:11:09 +00:00
parent 1de6d6df05
commit d4f662585f
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/vm/vm_map.c
View File

@ -2236,8 +2236,12 @@ vm_map_delete(vm_map_t map, vm_offset_t start, vm_offset_t end)
/*
* Wait for wiring or unwiring of an entry to complete.
* Also wait for any system wirings to disappear on
* user maps.
*/
if ((entry->eflags & MAP_ENTRY_IN_TRANSITION) != 0) {
if ((entry->eflags & MAP_ENTRY_IN_TRANSITION) != 0 ||
(vm_map_pmap(map) != kernel_pmap &&
vm_map_entry_system_wired_count(entry) != 0)) {
unsigned int last_timestamp;
vm_offset_t saved_start;
vm_map_entry_t tmp_entry;