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runtime: track HeapIdle

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R=golang-dev, r
CC=golang-dev
https://golang.org/cl/4995045
This commit is contained in:
Russ Cox 2011-09-14 11:29:01 -04:00
parent fa767ff231
commit 33d00fae30
1 changed files with 2 additions and 0 deletions
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2
src/pkg/runtime/mheap.c
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@ -101,6 +101,7 @@ HaveSpan:
runtime·throw("MHeap_AllocLocked - bad npages");
runtime·MSpanList_Remove(s);
s->state = MSpanInUse;
mstats.heap_idle -= s->npages<<PageShift;
if(s->npages > npage) {
// Trim extra and put it back in the heap.
@ -276,6 +277,7 @@ MHeap_FreeLocked(MHeap *h, MSpan *s)
runtime·printf("MHeap_FreeLocked - span %p ptr %p state %d ref %d\n", s, s->start<<PageShift, s->state, s->ref);
runtime·throw("MHeap_FreeLocked - invalid free");
}
mstats.heap_idle += s->npages<<PageShift;
s->state = MSpanFree;
runtime·MSpanList_Remove(s);
sp = (uintptr*)(s->start<<PageShift);