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

Lock the vm object when freeing a vm page.

Browse Source
This commit is contained in:
alc 2003-06-19 17:56:12 +00:00
parent 51b79512bb
commit ec69a73039
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/fs/specfs/spec_vnops.c
View File

@ -765,6 +765,7 @@ spec_getpages(ap)
pmap_qremove(kva, pcount);
gotreqpage = 0;
VM_OBJECT_LOCK(vp->v_object);
vm_page_lock_queues();
for (i = 0, toff = 0; i < pcount; i++, toff = nextoff) {
nextoff = toff + PAGE_SIZE;
@ -817,6 +818,7 @@ spec_getpages(ap)
}
}
vm_page_unlock_queues();
VM_OBJECT_UNLOCK(vp->v_object);
if (!gotreqpage) {
m = ap->a_m[ap->a_reqpage];
printf(