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- Hold the page queues lock around vm_page_wakeup().

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This commit is contained in:
Alan Cox 2002-12-24 04:24:58 +00:00
parent 956b0b653c
commit dc907f6632
3 changed files with 10 additions and 3 deletions
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2
sys/vm/vm_glue.c
View File

@ -227,9 +227,11 @@ vm_proc_new(struct proc *p)
VM_ALLOC_NORMAL | VM_ALLOC_RETRY | VM_ALLOC_WIRED);
ma[i] = m;
vm_page_lock_queues();
vm_page_wakeup(m);
vm_page_flag_clear(m, PG_ZERO);
m->valid = VM_PAGE_BITS_ALL;
vm_page_unlock_queues();
}
/*

2
sys/vm/vm_kern.c
View File

@ -200,9 +200,11 @@ kmem_alloc(map, size)
VM_ALLOC_ZERO | VM_ALLOC_RETRY);
if ((mem->flags & PG_ZERO) == 0)
pmap_zero_page(mem);
vm_page_lock_queues();
mem->valid = VM_PAGE_BITS_ALL;
vm_page_flag_clear(mem, PG_ZERO);
vm_page_wakeup(mem);
vm_page_unlock_queues();
}
/*

9
sys/vm/vm_object.c
View File

@ -1256,8 +1256,10 @@ vm_object_split(vm_map_entry_t entry)
swap_pager_copy(orig_object, new_object, offidxstart, 0);
vm_object_pip_wakeup(orig_object);
}
vm_page_lock_queues();
TAILQ_FOREACH(m, &new_object->memq, listq)
vm_page_wakeup(m);
vm_page_unlock_queues();
entry->object.vm_object = new_object;
entry->offset = 0LL;
vm_object_deallocate(orig_object);
@ -1940,14 +1942,15 @@ vm_freeze_copyopts(vm_object_t object, vm_pindex_t froma, vm_pindex_t toa)
pmap_remove_all(m_in);
vm_page_unlock_queues();
pmap_copy_page(m_in, m_out);
vm_page_lock_queues();
m_out->valid = m_in->valid;
vm_page_dirty(m_out);
vm_page_lock_queues();
vm_page_activate(m_out);
vm_page_unlock_queues();
vm_page_wakeup(m_in);
}
} else
vm_page_lock_queues();
vm_page_wakeup(m_out);
vm_page_unlock_queues();
}
object->shadow_count--;