package runtime

import (
	"math"

	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
)

const (
	subsection         = "runtime"
	memoryLimitDefault = math.MaxInt64
)

// GCMemoryLimitBytes returns the  value of "soft_memory_limit" config parameter from "runtime" section.
func GCMemoryLimitBytes(c *config.Config) int64 {
	l := config.SizeInBytesSafe(c.Sub(subsection), "soft_memory_limit")

	if l > 0 {
		return int64(l)
	}

	return memoryLimitDefault
}