vm_page_queue_init:
Remove the initialization of PQ_NONE's cnt and lcnt. They aren't used. vm_page_insert: Remove an unnecessary dereference. vm_page_wire: Remove the one and only (and thus pointless) reference to PQ_NONE's lcnt.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=49305
@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)vm_page.c 7.4 (Berkeley) 5/7/91
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* $Id: vm_page.c,v 1.133 1999/06/22 07:18:17 alc Exp $
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* $Id: vm_page.c,v 1.134 1999/07/01 19:53:42 peter Exp $
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*/
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/*
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@ -104,8 +104,6 @@ struct pglist vm_page_queue_active = {0};
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struct pglist vm_page_queue_inactive = {0};
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struct pglist vm_page_queue_cache[PQ_L2_SIZE] = {{0}};
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static int no_queue=0;
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struct vpgqueues vm_page_queues[PQ_COUNT] = {{0}};
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static int pqcnt[PQ_COUNT] = {0};
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@ -113,8 +111,6 @@ static void
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vm_page_queue_init(void) {
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int i;
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vm_page_queues[PQ_NONE].pl = NULL;
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vm_page_queues[PQ_NONE].cnt = &no_queue;
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for(i=0;i<PQ_L2_SIZE;i++) {
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vm_page_queues[PQ_FREE+i].pl = &vm_page_queue_free[i];
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vm_page_queues[PQ_FREE+i].cnt = &cnt.v_free_count;
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@ -128,10 +124,10 @@ vm_page_queue_init(void) {
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vm_page_queues[PQ_CACHE+i].pl = &vm_page_queue_cache[i];
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vm_page_queues[PQ_CACHE+i].cnt = &cnt.v_cache_count;
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}
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for(i=0;i<PQ_COUNT;i++) {
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for(i=PQ_FREE;i<PQ_COUNT;i++) {
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if (vm_page_queues[i].pl) {
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TAILQ_INIT(vm_page_queues[i].pl);
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} else if (i != 0) {
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} else {
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panic("vm_page_queue_init: queue %d is null", i);
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}
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vm_page_queues[i].lcnt = &pqcnt[i];
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@ -398,7 +394,7 @@ vm_page_insert(m, object, pindex)
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*/
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TAILQ_INSERT_TAIL(&object->memq, m, listq);
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m->object->generation++;
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object->generation++;
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/*
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* show that the object has one more resident page.
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@ -1208,7 +1204,6 @@ vm_page_wire(m)
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}
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m->wire_count++;
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splx(s);
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(*vm_page_queues[PQ_NONE].lcnt)++;
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vm_page_flag_set(m, PG_MAPPED);
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}
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