1 files changed, 0 insertions, 145 deletions
diff --git a/pkg/sentry/syscalls/linux/sys_mmap.go b/pkg/sentry/syscalls/linux/sys_mmap.go
index 64a6e639c..9926f0ac5 100644
--- a/pkg/sentry/syscalls/linux/sys_mmap.go
+++ b/pkg/sentry/syscalls/linux/sys_mmap.go
@@ -204,151 +204,6 @@ func Madvise(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Sysca
 	}
 }
 
-func copyOutIfNotNull(t *kernel.Task, ptr usermem.Addr, val interface{}) (int, error) {
-	if ptr != 0 {
-		return t.CopyOut(ptr, val)
-	}
-	return 0, nil
-}
-
-// GetMempolicy implements the syscall get_mempolicy(2).
-func GetMempolicy(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
-	mode := args[0].Pointer()
-	nodemask := args[1].Pointer()
-	maxnode := args[2].Uint()
-	addr := args[3].Pointer()
-	flags := args[4].Uint()
-
-	memsAllowed := flags&linux.MPOL_F_MEMS_ALLOWED != 0
-	nodeFlag := flags&linux.MPOL_F_NODE != 0
-	addrFlag := flags&linux.MPOL_F_ADDR != 0
-
-	// TODO(rahat): Once sysfs is implemented, report a single numa node in
-	// /sys/devices/system/node.
-	if nodemask != 0 && maxnode < 1 {
-		return 0, nil, syserror.EINVAL
-	}
-
-	// 'addr' provided iff 'addrFlag' set.
-	if addrFlag == (addr == 0) {
-		return 0, nil, syserror.EINVAL
-	}
-
-	// Default policy for the thread.
-	if flags == 0 {
-		policy, nodemaskVal := t.NumaPolicy()
-		if _, err := copyOutIfNotNull(t, mode, policy); err != nil {
-			return 0, nil, syserror.EFAULT
-		}
-		if _, err := copyOutIfNotNull(t, nodemask, nodemaskVal); err != nil {
-			return 0, nil, syserror.EFAULT
-		}
-		return 0, nil, nil
-	}
-
-	// Report all nodes available to caller.
-	if memsAllowed {
-		// MPOL_F_NODE and MPOL_F_ADDR not allowed with MPOL_F_MEMS_ALLOWED.
-		if nodeFlag || addrFlag {
-			return 0, nil, syserror.EINVAL
-		}
-
-		// Report a single numa node.
-		if _, err := copyOutIfNotNull(t, nodemask, uint32(0x1)); err != nil {
-			return 0, nil, syserror.EFAULT
-		}
-		return 0, nil, nil
-	}
-
-	if addrFlag {
-		if nodeFlag {
-			// Return the id for the node where 'addr' resides, via 'mode'.
-			//
-			// The real get_mempolicy(2) allocates the page referenced by 'addr'
-			// by simulating a read, if it is unallocated before the call. It
-			// then returns the node the page is allocated on through the mode
-			// pointer.
-			b := t.CopyScratchBuffer(1)
-			_, err := t.CopyInBytes(addr, b)
-			if err != nil {
-				return 0, nil, syserror.EFAULT
-			}
-			if _, err := copyOutIfNotNull(t, mode, int32(0)); err != nil {
-				return 0, nil, syserror.EFAULT
-			}
-		} else {
-			storedPolicy, _ := t.NumaPolicy()
-			// Return the policy governing the memory referenced by 'addr'.
-			if _, err := copyOutIfNotNull(t, mode, int32(storedPolicy)); err != nil {
-				return 0, nil, syserror.EFAULT
-			}
-		}
-		return 0, nil, nil
-	}
-
-	storedPolicy, _ := t.NumaPolicy()
-	if nodeFlag && (storedPolicy&^linux.MPOL_MODE_FLAGS == linux.MPOL_INTERLEAVE) {
-		// Policy for current thread is to interleave memory between
-		// nodes. Return the next node we'll allocate on. Since we only have a
-		// single node, this is always node 0.
-		if _, err := copyOutIfNotNull(t, mode, int32(0)); err != nil {
-			return 0, nil, syserror.EFAULT
-		}
-		return 0, nil, nil
-	}
-
-	return 0, nil, syserror.EINVAL
-}
-
-func allowedNodesMask() uint32 {
-	const maxNodes = 1
-	return ^uint32((1 << maxNodes) - 1)
-}
-
-// SetMempolicy implements the syscall set_mempolicy(2).
-func SetMempolicy(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
-	modeWithFlags := args[0].Int()
-	nodemask := args[1].Pointer()
-	maxnode := args[2].Uint()
-
-	if nodemask != 0 && maxnode < 1 {
-		return 0, nil, syserror.EINVAL
-	}
-
-	if modeWithFlags&linux.MPOL_MODE_FLAGS == linux.MPOL_MODE_FLAGS {
-		// Can't specify multiple modes simultaneously.
-		return 0, nil, syserror.EINVAL
-	}
-
-	mode := modeWithFlags &^ linux.MPOL_MODE_FLAGS
-	if mode < 0 || mode >= linux.MPOL_MAX {
-		// Must specify a valid mode.
-		return 0, nil, syserror.EINVAL
-	}
-
-	var nodemaskVal uint32
-	// Nodemask may be empty for some policy modes.
-	if nodemask != 0 && maxnode > 0 {
-		if _, err := t.CopyIn(nodemask, &nodemaskVal); err != nil {
-			return 0, nil, syserror.EFAULT
-		}
-	}
-
-	if (mode == linux.MPOL_INTERLEAVE || mode == linux.MPOL_BIND) && nodemaskVal == 0 {
-		// Mode requires a non-empty nodemask, but got an empty nodemask.
-		return 0, nil, syserror.EINVAL
-	}
-
-	if nodemaskVal&allowedNodesMask() != 0 {
-		// Invalid node specified.
-		return 0, nil, syserror.EINVAL
-	}
-
-	t.SetNumaPolicy(int32(modeWithFlags), nodemaskVal)
-
-	return 0, nil, nil
-}
-
 // Mincore implements the syscall mincore(2).
 func Mincore(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
 	addr := args[0].Pointer()