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Code Issues Releases Activity

Lock the vm object when freeing a vm page.

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This commit is contained in:
Alan Cox 2003-06-19 17:56:12 +00:00
parent e2a474429e
commit a38918cdbd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=116583
1 changed files with 2 additions and 0 deletions
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2
sys/fs/specfs/spec_vnops.c
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@ -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(