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Lock the page around hold_count access.

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Reviewed by:	alc
This commit is contained in:
Konstantin Belousov 2010-05-02 19:25:22 +00:00
parent 139a0de7f1
commit a0b8e597e5
1 changed files with 2 additions and 0 deletions
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2
sys/kern/uipc_syscalls.c
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@ -2108,6 +2108,7 @@ retry_space:
mbstat.sf_iocnt++;
}
if (error) {
vm_page_lock(pg);
vm_page_lock_queues();
vm_page_unwire(pg, 0);
/*
@ -2121,6 +2122,7 @@ retry_space:
vm_page_free(pg);
}
vm_page_unlock_queues();
vm_page_unlock(pg);
VM_OBJECT_UNLOCK(obj);
if (error == EAGAIN)
error = 0; /* not a real error */