runtime·MGetSizeClassInfo  531 src/pkg/runtime/malloc.h void	runtime·MGetSizeClassInfo(int32 sizeclass, uintptr *size, int32 *npages, int32 *nobj);
runtime·MGetSizeClassInfo  264 src/pkg/runtime/mcentral.c 	runtime·MGetSizeClassInfo(c->sizeclass, &size, &npages, &n);