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Hold the page queues lock when calling pmap_protect(); it updates fields

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of the vm_page structure.  Nearby, remove an unnecessary semicolon and
return statement.

Approved by:	re (blanket)
This commit is contained in:
Alan Cox 2002-12-01 05:40:18 +00:00
parent 1efbdbe23b
commit 38857e7f73
1 changed files with 5 additions and 3 deletions
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8
sys/vm/vm_pageout.c
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@ -592,17 +592,19 @@ vm_pageout_map_deactivate_pages(map, desired)
vm_pageout_object_deactivate_pages(map, obj, desired, 0); vm_pageout_object_deactivate_pages(map, obj, desired, 0);
} }
tmpe = tmpe->next; tmpe = tmpe->next;
}; }
/* /*
* Remove all mappings if a process is swapped out, this will free page * Remove all mappings if a process is swapped out, this will free page
* table pages. * table pages.
*/ */
if (desired == 0 && nothingwired) if (desired == 0 && nothingwired) {
vm_page_lock_queues();
pmap_remove(vm_map_pmap(map), vm_map_min(map), pmap_remove(vm_map_pmap(map), vm_map_min(map),
vm_map_max(map)); vm_map_max(map));
vm_page_unlock_queues();
}
vm_map_unlock(map); vm_map_unlock(map);
return;
} }
#endif /* !defined(NO_SWAPPING) */ #endif /* !defined(NO_SWAPPING) */