diff --git a/libcontainer/configs/memorypolicy.go b/libcontainer/configs/memorypolicy.go
index 36de853bb..b7b9c6bce 100644
--- a/libcontainer/configs/memorypolicy.go
+++ b/libcontainer/configs/memorypolicy.go
@@ -3,20 +3,22 @@ package configs
 import "golang.org/x/sys/unix"
 
 // Memory policy modes and flags as defined in /usr/include/linux/mempolicy.h
-
+//
+// Deprecated: use constants from [unix] instead.
+//
 //nolint:revive,staticcheck,nolintlint // ignore ALL_CAPS errors in consts from numaif.h, will match unix.* in the future
 const (
-	MPOL_DEFAULT             = 0
-	MPOL_PREFERRED           = 1
-	MPOL_BIND                = 2
-	MPOL_INTERLEAVE          = 3
-	MPOL_LOCAL               = 4
-	MPOL_PREFERRED_MANY      = 5
-	MPOL_WEIGHTED_INTERLEAVE = 6
+	MPOL_DEFAULT             = unix.MPOL_DEFAULT
+	MPOL_PREFERRED           = unix.MPOL_PREFERRED
+	MPOL_BIND                = unix.MPOL_BIND
+	MPOL_INTERLEAVE          = unix.MPOL_INTERLEAVE
+	MPOL_LOCAL               = unix.MPOL_LOCAL
+	MPOL_PREFERRED_MANY      = unix.MPOL_PREFERRED_MANY
+	MPOL_WEIGHTED_INTERLEAVE = unix.MPOL_WEIGHTED_INTERLEAVE
 
-	MPOL_F_STATIC_NODES   = 1 << 15
-	MPOL_F_RELATIVE_NODES = 1 << 14
-	MPOL_F_NUMA_BALANCING = 1 << 13
+	MPOL_F_STATIC_NODES   = unix.MPOL_F_STATIC_NODES
+	MPOL_F_RELATIVE_NODES = unix.MPOL_F_RELATIVE_NODES
+	MPOL_F_NUMA_BALANCING = unix.MPOL_F_NUMA_BALANCING
 )
 
 // LinuxMemoryPolicy contains memory policy configuration.
diff --git a/libcontainer/configs/validate/validator.go b/libcontainer/configs/validate/validator.go
index 9851e4057..085e1cacd 100644
--- a/libcontainer/configs/validate/validator.go
+++ b/libcontainer/configs/validate/validator.go
@@ -490,16 +490,16 @@ func memoryPolicy(config *configs.Config) error {
 		return nil
 	}
 	switch mpol.Mode {
-	case configs.MPOL_DEFAULT, configs.MPOL_LOCAL:
+	case unix.MPOL_DEFAULT, unix.MPOL_LOCAL:
 		if mpol.Nodes != nil && mpol.Nodes.Count() != 0 {
 			return fmt.Errorf("memory policy mode requires 0 nodes but got %d", mpol.Nodes.Count())
 		}
-	case configs.MPOL_BIND, configs.MPOL_INTERLEAVE,
-		configs.MPOL_PREFERRED_MANY, configs.MPOL_WEIGHTED_INTERLEAVE:
+	case unix.MPOL_BIND, unix.MPOL_INTERLEAVE,
+		unix.MPOL_PREFERRED_MANY, unix.MPOL_WEIGHTED_INTERLEAVE:
 		if mpol.Nodes == nil || mpol.Nodes.Count() == 0 {
 			return fmt.Errorf("memory policy mode requires at least one node but got 0")
 		}
-	case configs.MPOL_PREFERRED:
+	case unix.MPOL_PREFERRED:
 		// Zero or more nodes are allowed by the kernel.
 	default:
 		return fmt.Errorf("invalid memory policy mode: %d", mpol.Mode)