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Correct one half of a loop continuation condition in vm_phys_unfree_page().

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At present, this error is inconsequential; the other half of the loop
continuation condition is sufficient to achieve correct execution.
This commit is contained in:
Alan Cox 2007-12-19 23:09:45 +00:00
parent 673f5a8b44
commit bc8794a12a
1 changed files with 1 additions and 3 deletions
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4
sys/vm/vm_phys.c
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@ -486,7 +486,7 @@ vm_phys_unfree_page(vm_page_t m)
*/
seg = &vm_phys_segs[m->segind];
for (m_set = m, order = 0; m_set->order == VM_NFREEORDER &&
order < VM_NFREEORDER; ) {
order < VM_NFREEORDER - 1; ) {
order++;
pa = m->phys_addr & (~(vm_paddr_t)0 << (PAGE_SHIFT + order));
KASSERT(pa >= seg->start && pa < seg->end,
@ -499,8 +499,6 @@ vm_phys_unfree_page(vm_page_t m)
KASSERT(m_set->order < VM_NFREEORDER,
("vm_phys_unfree_page: page %p has unexpected order %d",
m_set, m_set->order));
KASSERT(order < VM_NFREEORDER,
("vm_phys_unfree_page: order %d is out of range", order));
/*
* Next, remove "m_set" from the free lists. Finally, extract