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Don't use a read lock on an intrsafe map; these maps can only use exclusive, 

non-sleeping locks.
This commit is contained in:
thorpej 1999-05-28 19:40:09 +00:00
parent bb7cdd7c0b
commit e50ef977d1
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_malloc.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_malloc.c,v 1.42 1999/05/26 19:16:36 thorpej Exp $ */
/* $NetBSD: kern_malloc.c,v 1.43 1999/05/28 19:40:09 thorpej Exp $ */
/*
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
@ -310,11 +310,11 @@ malloc(size, type, flags)
int rv;
vaddr_t addr = (vaddr_t)kbp->kb_next;
vm_map_lock_read(kmem_map);
vm_map_lock(kmem_map);
rv = uvm_map_checkprot(kmem_map, addr,
addr + sizeof(struct freelist),
VM_PROT_WRITE);
vm_map_unlock_read(kmem_map);
vm_map_unlock(kmem_map);
if (!rv)
{