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Clear pointers to indicate that the respective locks are released.

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This fixes a problem in r344231: vm_pageout_launder() may scan two
queues when swap is disabled.

Reported by:	pho
MFC with:	r344231
This commit is contained in:
markj 2019-02-21 15:44:32 +00:00
parent 0514659c04
commit 00ee058700
1 changed files with 6 additions and 2 deletions
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8
sys/vm/vm_pageout.c
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@ -893,10 +893,14 @@ vm_pageout_launder(struct vm_domain *vmd, int launder, bool in_shortfall)
object = NULL;
}
}
if (mtx != NULL)
if (mtx != NULL) {
mtx_unlock(mtx);
if (object != NULL)
mtx = NULL;
}
if (object != NULL) {
VM_OBJECT_WUNLOCK(object);
object = NULL;
}
vm_pagequeue_lock(pq);
vm_pageout_end_scan(&ss);
vm_pagequeue_unlock(pq);