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Results 1 - 5 of 5 for heapBitsInSpan (0.37 sec)
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src/runtime/msize.go
func roundupsize(size uintptr, noscan bool) (reqSize uintptr) { reqSize = size if reqSize <= maxSmallSize-mallocHeaderSize { // Small object. if !noscan && reqSize > minSizeForMallocHeader { // !noscan && !heapBitsInSpan(reqSize) reqSize += mallocHeaderSize } // (reqSize - size) is either mallocHeaderSize or 0. We need to subtract mallocHeaderSize // from the result if we have one, since mallocgc will add it back in.
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Apr 09 04:07:57 UTC 2024 - 1.3K bytes - Viewed (0) -
src/runtime/mbitmap.go
func heapSetType(x, dataSize uintptr, typ *_type, header **_type, span *mspan) (scanSize uintptr) { const doubleCheck = false gctyp := typ if header == nil { if doubleCheck && (!heapBitsInSpan(dataSize) || !heapBitsInSpan(span.elemsize)) { throw("tried to write heap bits, but no heap bits in span") } // Handle the case where we have no malloc header. scanSize = span.writeHeapBitsSmall(x, dataSize, typ) } else {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu May 23 00:18:55 UTC 2024 - 60K bytes - Viewed (0) -
src/runtime/mfinal.go
return } throw("runtime.SetFinalizer: pointer not in allocated block") } // Move base forward if we've got an allocation header. if !span.spanclass.noscan() && !heapBitsInSpan(span.elemsize) && span.spanclass.sizeclass() != 0 { base += mallocHeaderSize } if uintptr(e.data) != base { // As an implementation detail we allow to set finalizers for an inner byte
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Jun 07 01:56:56 UTC 2024 - 19K bytes - Viewed (0) -
src/runtime/malloc.go
// Note: disabled when race detector is on, see comment near end of this function. c.tiny = uintptr(x) c.tinyoffset = size } size = maxTinySize } else { hasHeader := !noscan && !heapBitsInSpan(size) if hasHeader { size += mallocHeaderSize } var sizeclass uint8 if size <= smallSizeMax-8 { sizeclass = size_to_class8[divRoundUp(size, smallSizeDiv)] } else {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 29 17:58:53 UTC 2024 - 59.6K bytes - Viewed (0) -
src/runtime/mheap.go
if sizeclass := spanclass.sizeclass(); sizeclass == 0 { s.elemsize = nbytes s.nelems = 1 s.divMul = 0 } else { s.elemsize = uintptr(class_to_size[sizeclass]) if !s.spanclass.noscan() && heapBitsInSpan(s.elemsize) { // Reserve space for the pointer/scan bitmap at the end. s.nelems = uint16((nbytes - (nbytes / goarch.PtrSize / 8)) / s.elemsize) } else { s.nelems = uint16(nbytes / s.elemsize) }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 22 22:31:00 UTC 2024 - 78K bytes - Viewed (0)