}
		loc.Line = []Line{
			{
				Function: fn,
				Line:     lineNo,
			},
		}
		loc.Address = 0
	}

	p.remapLocationIDs()
	p.remapFunctionIDs()
	p.remapMappingIDs()

	return nil

			seen[fn] = true
		}
	}
	p.Function = fns
}

// remapMappingIDs matches location addresses with existing mappings
// and updates them appropriately. This is O(N*M), if this ever shows
// up as a bottleneck, evaluate sorting the mappings and doing a
// binary search, which would make it O(N*log(M)).
func (p *Profile) remapMappingIDs() {
	// Some profile handlers will incorrectly set regions for the main

			// mapped but unpopulated memory as being inode 0.
			// Don't report that part.
			// But [vdso] and [vsyscall] are inode 0, so let non-empty file names through.
			continue
		}

		// TODO: pprof's remapMappingIDs makes one adjustment:
		// 1. If there is an /anon_hugepage mapping first and it is
		// consecutive to a next mapping, drop the /anon_hugepage.
		// There's no indication why this is needed.