diff --git a/src/pkg/syscall/mkerrors.sh b/src/pkg/syscall/mkerrors.sh
index 7329a90..fc49a71 100755
--- a/src/pkg/syscall/mkerrors.sh
+++ b/src/pkg/syscall/mkerrors.sh
@@ -26,6 +26,7 @@
 #include <sys/inotify.h>
 #include <sys/ioctl.h>
 #include <sys/mman.h>
+#include <sys/mount.h>
 #include <sys/stat.h>
 #include <linux/ptrace.h>
 #include <linux/wait.h>
@@ -123,6 +124,7 @@
 		$2 == "IFNAMSIZ" ||
 		$2 == "CTL_NET" ||
 		$2 == "CTL_MAXNAME" ||
+		$2 ~ /^(MS|MNT)_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
 		$2 ~ /^(O|F|FD|NAME|S|PTRACE)_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go
index 550a377..6bed85f 100644
--- a/src/pkg/syscall/syscall_linux.go
+++ b/src/pkg/syscall/syscall_linux.go
@@ -722,6 +722,7 @@
 //sys	Mkdirat(dirfd int, path string, mode uint32) (errno int)
 //sys	Mknod(path string, mode uint32, dev int) (errno int)
 //sys	Mknodat(dirfd int, path string, mode uint32, dev int) (errno int)
+//sys	Mount(source string, target string, fstype string, flags int, data string) (errno int)
 //sys	Nanosleep(time *Timespec, leftover *Timespec) (errno int)
 //sys	Pause() (errno int)
 //sys	PivotRoot(newroot string, putold string) (errno int) = SYS_PIVOT_ROOT
@@ -747,6 +748,7 @@
 //sys	Uname(buf *Utsname) (errno int)
 //sys	Unlink(path string) (errno int)
 //sys	Unlinkat(dirfd int, path string) (errno int)
+//sys	Unmount(target string, flags int) (errno int) = SYS_UMOUNT2
 //sys	Unshare(flags int) (errno int)
 //sys	Ustat(dev int, ubuf *Ustat_t) (errno int)
 //sys	Utime(path string, buf *Utimbuf) (errno int)
diff --git a/src/pkg/syscall/zerrors_linux_386.go b/src/pkg/syscall/zerrors_linux_386.go
index 198e713..a0e14b2 100644
--- a/src/pkg/syscall/zerrors_linux_386.go
+++ b/src/pkg/syscall/zerrors_linux_386.go
@@ -436,6 +436,9 @@
 	MAP_TYPE                         = 0xf
 	MCL_CURRENT                      = 0x1
 	MCL_FUTURE                       = 0x2
+	MNT_DETACH                       = 0x2
+	MNT_EXPIRE                       = 0x4
+	MNT_FORCE                        = 0x1
 	MSG_CMSG_CLOEXEC                 = 0x40000000
 	MSG_CONFIRM                      = 0x800
 	MSG_CTRUNC                       = 0x8
@@ -454,6 +457,22 @@
 	MSG_TRUNC                        = 0x20
 	MSG_TRYHARD                      = 0x4
 	MSG_WAITALL                      = 0x100
+	MS_ASYNC                         = 0x1
+	MS_BIND                          = 0x1000
+	MS_INVALIDATE                    = 0x2
+	MS_MANDLOCK                      = 0x40
+	MS_MGC_MSK                       = 0xffff0000
+	MS_MGC_VAL                       = 0xc0ed0000
+	MS_NOATIME                       = 0x400
+	MS_NODEV                         = 0x4
+	MS_NODIRATIME                    = 0x800
+	MS_NOEXEC                        = 0x8
+	MS_NOSUID                        = 0x2
+	MS_RDONLY                        = 0x1
+	MS_REMOUNT                       = 0x20
+	MS_RMT_MASK                      = 0xc51
+	MS_SYNC                          = 0x4
+	MS_SYNCHRONOUS                   = 0x10
 	NAME_MAX                         = 0xff
 	O_ACCMODE                        = 0x3
 	O_APPEND                         = 0x400
@@ -712,6 +731,7 @@
 	SO_TIMESTAMPING                  = 0x25
 	SO_TIMESTAMPNS                   = 0x23
 	SO_TYPE                          = 0x3
+	S_APPEND                         = 0x100
 	S_BLKSIZE                        = 0x200
 	S_IEXEC                          = 0x40
 	S_IFBLK                          = 0x6000
@@ -722,6 +742,7 @@
 	S_IFMT                           = 0xf000
 	S_IFREG                          = 0x8000
 	S_IFSOCK                         = 0xc000
+	S_IMMUTABLE                      = 0x200
 	S_IREAD                          = 0x100
 	S_IRGRP                          = 0x20
 	S_IROTH                          = 0x4
@@ -739,6 +760,7 @@
 	S_IXGRP                          = 0x8
 	S_IXOTH                          = 0x1
 	S_IXUSR                          = 0x40
+	S_WRITE                          = 0x80
 	TCP_CONGESTION                   = 0xd
 	TCP_CORK                         = 0x3
 	TCP_DEFER_ACCEPT                 = 0x9
diff --git a/src/pkg/syscall/zerrors_linux_amd64.go b/src/pkg/syscall/zerrors_linux_amd64.go
index 675bc95..122ac8b 100644
--- a/src/pkg/syscall/zerrors_linux_amd64.go
+++ b/src/pkg/syscall/zerrors_linux_amd64.go
@@ -436,6 +436,9 @@
 	MAP_TYPE                         = 0xf
 	MCL_CURRENT                      = 0x1
 	MCL_FUTURE                       = 0x2
+	MNT_DETACH                       = 0x2
+	MNT_EXPIRE                       = 0x4
+	MNT_FORCE                        = 0x1
 	MSG_CMSG_CLOEXEC                 = 0x40000000
 	MSG_CONFIRM                      = 0x800
 	MSG_CTRUNC                       = 0x8
@@ -454,6 +457,22 @@
 	MSG_TRUNC                        = 0x20
 	MSG_TRYHARD                      = 0x4
 	MSG_WAITALL                      = 0x100
+	MS_ASYNC                         = 0x1
+	MS_BIND                          = 0x1000
+	MS_INVALIDATE                    = 0x2
+	MS_MANDLOCK                      = 0x40
+	MS_MGC_MSK                       = 0xffff0000
+	MS_MGC_VAL                       = 0xc0ed0000
+	MS_NOATIME                       = 0x400
+	MS_NODEV                         = 0x4
+	MS_NODIRATIME                    = 0x800
+	MS_NOEXEC                        = 0x8
+	MS_NOSUID                        = 0x2
+	MS_RDONLY                        = 0x1
+	MS_REMOUNT                       = 0x20
+	MS_RMT_MASK                      = 0xc51
+	MS_SYNC                          = 0x4
+	MS_SYNCHRONOUS                   = 0x10
 	NAME_MAX                         = 0xff
 	O_ACCMODE                        = 0x3
 	O_APPEND                         = 0x400
@@ -713,6 +732,7 @@
 	SO_TIMESTAMPING                  = 0x25
 	SO_TIMESTAMPNS                   = 0x23
 	SO_TYPE                          = 0x3
+	S_APPEND                         = 0x100
 	S_BLKSIZE                        = 0x200
 	S_IEXEC                          = 0x40
 	S_IFBLK                          = 0x6000
@@ -723,6 +743,7 @@
 	S_IFMT                           = 0xf000
 	S_IFREG                          = 0x8000
 	S_IFSOCK                         = 0xc000
+	S_IMMUTABLE                      = 0x200
 	S_IREAD                          = 0x100
 	S_IRGRP                          = 0x20
 	S_IROTH                          = 0x4
@@ -740,6 +761,7 @@
 	S_IXGRP                          = 0x8
 	S_IXOTH                          = 0x1
 	S_IXUSR                          = 0x40
+	S_WRITE                          = 0x80
 	TCP_CONGESTION                   = 0xd
 	TCP_CORK                         = 0x3
 	TCP_DEFER_ACCEPT                 = 0x9
diff --git a/src/pkg/syscall/zerrors_linux_arm.go b/src/pkg/syscall/zerrors_linux_arm.go
index adbbc77..356d51c 100644
--- a/src/pkg/syscall/zerrors_linux_arm.go
+++ b/src/pkg/syscall/zerrors_linux_arm.go
@@ -389,6 +389,25 @@
 	LINUX_REBOOT_CMD_SW_SUSPEND      = 0xd000fce2
 	LINUX_REBOOT_MAGIC1              = 0xfee1dead
 	LINUX_REBOOT_MAGIC2              = 0x28121969
+	MNT_DETACH                       = 0x2
+	MNT_EXPIRE                       = 0x4
+	MNT_FORCE                        = 0x1
+	MS_ASYNC                         = 0x1
+	MS_BIND                          = 0x1000
+	MS_INVALIDATE                    = 0x2
+	MS_MANDLOCK                      = 0x40
+	MS_MGC_MSK                       = 0xffff0000
+	MS_MGC_VAL                       = 0xc0ed0000
+	MS_NOATIME                       = 0x400
+	MS_NODEV                         = 0x4
+	MS_NODIRATIME                    = 0x800
+	MS_NOEXEC                        = 0x8
+	MS_NOSUID                        = 0x2
+	MS_RDONLY                        = 0x1
+	MS_REMOUNT                       = 0x20
+	MS_RMT_MASK                      = 0xc51
+	MS_SYNC                          = 0x4
+	MS_SYNCHRONOUS                   = 0x10
 	NAME_MAX                         = 0xff
 	O_ACCMODE                        = 0x3
 	O_APPEND                         = 0x400
@@ -552,6 +571,7 @@
 	SO_TIMESTAMPING                  = 0x25
 	SO_TIMESTAMPNS                   = 0x23
 	SO_TYPE                          = 0x3
+	S_APPEND                         = 0x100
 	S_BLKSIZE                        = 0x200
 	S_IEXEC                          = 0x40
 	S_IFBLK                          = 0x6000
@@ -562,6 +582,7 @@
 	S_IFMT                           = 0xf000
 	S_IFREG                          = 0x8000
 	S_IFSOCK                         = 0xc000
+	S_IMMUTABLE                      = 0x200
 	S_IREAD                          = 0x100
 	S_IRGRP                          = 0x20
 	S_IROTH                          = 0x4
@@ -579,6 +600,7 @@
 	S_IXGRP                          = 0x8
 	S_IXOTH                          = 0x1
 	S_IXUSR                          = 0x40
+	S_WRITE                          = 0x80
 	TCP_CONGESTION                   = 0xd
 	TCP_CORK                         = 0x3
 	TCP_DEFER_ACCEPT                 = 0x9
diff --git a/src/pkg/syscall/zsyscall_linux_386.go b/src/pkg/syscall/zsyscall_linux_386.go
index 746fee8..bade293 100644
--- a/src/pkg/syscall/zsyscall_linux_386.go
+++ b/src/pkg/syscall/zsyscall_linux_386.go
@@ -456,6 +456,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mount(source string, target string, fstype string, flags int, data string) (errno int) {
+	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(StringBytePtr(source))), uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(unsafe.Pointer(StringBytePtr(fstype))), uintptr(flags), uintptr(unsafe.Pointer(StringBytePtr(data))), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Nanosleep(time *Timespec, leftover *Timespec) (errno int) {
 	_, _, e1 := Syscall(SYS_NANOSLEEP, uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0)
 	errno = int(e1)
@@ -684,6 +692,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Unmount(target string, flags int) (errno int) {
+	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(flags), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Unshare(flags int) (errno int) {
 	_, _, e1 := Syscall(SYS_UNSHARE, uintptr(flags), 0, 0)
 	errno = int(e1)
diff --git a/src/pkg/syscall/zsyscall_linux_amd64.go b/src/pkg/syscall/zsyscall_linux_amd64.go
index b688ecf..65ea8da 100644
--- a/src/pkg/syscall/zsyscall_linux_amd64.go
+++ b/src/pkg/syscall/zsyscall_linux_amd64.go
@@ -456,6 +456,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mount(source string, target string, fstype string, flags int, data string) (errno int) {
+	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(StringBytePtr(source))), uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(unsafe.Pointer(StringBytePtr(fstype))), uintptr(flags), uintptr(unsafe.Pointer(StringBytePtr(data))), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Nanosleep(time *Timespec, leftover *Timespec) (errno int) {
 	_, _, e1 := Syscall(SYS_NANOSLEEP, uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0)
 	errno = int(e1)
@@ -684,6 +692,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Unmount(target string, flags int) (errno int) {
+	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(flags), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Unshare(flags int) (errno int) {
 	_, _, e1 := Syscall(SYS_UNSHARE, uintptr(flags), 0, 0)
 	errno = int(e1)
diff --git a/src/pkg/syscall/zsyscall_linux_arm.go b/src/pkg/syscall/zsyscall_linux_arm.go
index fc4ef9f..883dd62 100644
--- a/src/pkg/syscall/zsyscall_linux_arm.go
+++ b/src/pkg/syscall/zsyscall_linux_arm.go
@@ -456,6 +456,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mount(source string, target string, fstype string, flags int, data string) (errno int) {
+	_, _, e1 := Syscall6(SYS_MOUNT, uintptr(unsafe.Pointer(StringBytePtr(source))), uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(unsafe.Pointer(StringBytePtr(fstype))), uintptr(flags), uintptr(unsafe.Pointer(StringBytePtr(data))), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Nanosleep(time *Timespec, leftover *Timespec) (errno int) {
 	_, _, e1 := Syscall(SYS_NANOSLEEP, uintptr(unsafe.Pointer(time)), uintptr(unsafe.Pointer(leftover)), 0)
 	errno = int(e1)
@@ -684,6 +692,14 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Unmount(target string, flags int) (errno int) {
+	_, _, e1 := Syscall(SYS_UMOUNT2, uintptr(unsafe.Pointer(StringBytePtr(target))), uintptr(flags), 0)
+	errno = int(e1)
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Unshare(flags int) (errno int) {
 	_, _, e1 := Syscall(SYS_UNSHARE, uintptr(flags), 0, 0)
 	errno = int(e1)