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Remove an XXX comment. It is no longer a problem.

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alc 2003-04-26 05:00:56 +00:00
parent a146c7fe90
commit f882712248
1 changed files with 1 additions and 4 deletions
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5
sys/vm/uma_core.c
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@ -2049,10 +2049,7 @@ uma_large_free(uma_slab_t slab)
{ {
vsetobj((vm_offset_t)slab->us_data, kmem_object); vsetobj((vm_offset_t)slab->us_data, kmem_object);
/* /*
* XXX: Giant is still needed by kmem_free, since we have * XXX: We get a lock order reversal if we don't have Giant:
* kmem_free -> vm_map_remove -> vm_map_delete ->
* vm_object_page_remove -> vm_object_pip_add -> GIANT_REQUIRED
* We also get a lock order reversal if we don't have Giant:
* vm_map_remove (locks system map) -> vm_map_delete -> * vm_map_remove (locks system map) -> vm_map_delete ->
* vm_map_entry_unwire -> vm_fault_unwire -> mtx_lock(&Giant) * vm_map_entry_unwire -> vm_fault_unwire -> mtx_lock(&Giant)
*/ */