go/src/runtime/traceregion.go

type traceRegionAlloc …

type traceRegionAllocBlock …

type traceRegionAllocBlockHeader …

const traceRegionAllocBlockData …

// alloc allocates n-byte block. The block is always aligned to 8 bytes, regardless of platform.
func (a *traceRegionAlloc) alloc(n uintptr) *notInHeap { … }

// drop frees all previously allocated memory and resets the allocator.
//
// drop is not safe to call concurrently with other calls to drop or with calls to alloc. The caller
// must ensure that it is not possible for anything else to be using the same structure.
func (a *traceRegionAlloc) drop() { … }