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[dev.garbage] runtime: replace ref with allocCount

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This is a renaming of the field ref to the
more appropriate allocCount. The field
holds the number of objects in the span
that are currently allocated. Some throws
strings were adjusted to more accurately
convey the meaning of allocCount.

Change-Id: I10daf44e3e9cc24a10912638c7de3c1984ef8efe
Reviewed-on: https://go-review.googlesource.com/19518
Reviewed-by: Austin Clements <austin@google.com>
This commit is contained in:
Rick Hudson 2016-02-16 17:16:43 -05:00
parent 3479b065d4
commit e4ac2d4acc
6 changed files with 31 additions and 31 deletions
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10
src/runtime/malloc.go
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@ -509,8 +509,8 @@ func (c *mcache) nextFree(sizeclass int8) (v gclinkptr, shouldhelpgc bool) {
if freeIndex == s.nelems {
// The span is full.
if uintptr(s.ref) != s.nelems {
throw("s.ref != s.nelems && freeIndex == s.nelems")
if uintptr(s.allocCount) != s.nelems {
throw("s.allocCount != s.nelems && freeIndex == s.nelems")
}
systemstack(func() {
c.refill(int32(sizeclass))
@ -526,9 +526,9 @@ func (c *mcache) nextFree(sizeclass int8) (v gclinkptr, shouldhelpgc bool) {
v = gclinkptr(freeIndex*s.elemsize + s.base())
// Advance the freeIndex.
s.freeindex = freeIndex + 1
s.ref++
if uintptr(s.ref) > s.nelems {
throw("s.ref > s.nelems")
s.allocCount++
if uintptr(s.allocCount) > s.nelems {
throw("s.allocCount > s.nelems")
}
return
}