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A little spring cleaning in the unwire case of uvm_map_pageable().

This commit is contained in:
thorpej 1999-05-28 22:54:12 +00:00
parent 364d5a1432
commit fb36fe649a
1 changed files with 5 additions and 7 deletions
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12
sys/uvm/uvm_map.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_map.c,v 1.48 1999/05/28 20:49:51 thorpej Exp $ */ /* $NetBSD: uvm_map.c,v 1.49 1999/05/28 22:54:12 thorpej Exp $ */
/* /*
* Copyright (c) 1997 Charles D. Cranor and Washington University. * Copyright (c) 1997 Charles D. Cranor and Washington University.
@ -2066,10 +2066,11 @@ uvm_map_pageable(map, start, end, new_pageable)
* now decrement the wiring count for each region. if a region * now decrement the wiring count for each region. if a region
* becomes completely unwired, unwire its physical pages and * becomes completely unwired, unwire its physical pages and
* mappings. * mappings.
*
* Note, uvm_fault_unwire() (called via uvm_map_entry_unwire())
* does not lock the map, so we don't have to do anything
* special regarding locking here.
*/ */
#if 0 /* not necessary: uvm_fault_unwire does not lock */
lock_set_recursive(&map->lock);
#endif /* XXXCDC */
entry = start_entry; entry = start_entry;
while ((entry != &map->header) && (entry->start < end)) { while ((entry != &map->header) && (entry->start < end)) {
@ -2081,9 +2082,6 @@ uvm_map_pageable(map, start, end, new_pageable)
entry = entry->next; entry = entry->next;
} }
#if 0 /* XXXCDC: not necessary, see above */
lock_clear_recursive(&map->lock);
#endif
vm_map_unlock(map); vm_map_unlock(map);
UVMHIST_LOG(maphist,"<- done (OK UNWIRE)",0,0,0,0); UVMHIST_LOG(maphist,"<- done (OK UNWIRE)",0,0,0,0);
return(KERN_SUCCESS); return(KERN_SUCCESS);