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- Lock page queue accesses in pmap_release().

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This commit is contained in:
alc 2002-10-20 07:19:25 +00:00
parent d91408e73a
commit 8e471edd49
1 changed files with 3 additions and 1 deletions
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4
sys/sparc64/sparc64/pmap.c
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@ -1233,7 +1233,8 @@ pmap_release(pmap_t pm)
pmap_resident_count(pm)));
while (!TAILQ_EMPTY(&obj->memq)) {
m = TAILQ_FIRST(&obj->memq);
if (vm_page_sleep_busy(m, FALSE, "pmaprl"))
vm_page_lock_queues();
if (vm_page_sleep_if_busy(m, FALSE, "pmaprl"))
continue;
vm_page_busy(m);
KASSERT(m->hold_count == 0,
@ -1241,6 +1242,7 @@ pmap_release(pmap_t pm)
m->wire_count--;
cnt.v_wire_count--;
vm_page_free_zero(m);
vm_page_unlock_queues();
}
pmap_qremove((vm_offset_t)pm->pm_tsb, TSB_PAGES);
}