SEGVN_LOCK_ENTER
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_WRITER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(seg->s_as, &svd->lock, RW_READER);
SEGVN_LOCK_ENTER(as, &svd->lock, RW_READER);