2 files changed, 12 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/arm/kernel-features.h b/sysdeps/unix/sysv/linux/arm/kernel-features.h
index 7831ab1e0f..c6e745227c 100644
--- a/sysdeps/unix/sysv/linux/arm/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -40,5 +40,12 @@
 #define __ASSUME_RECV_SYSCALL   1
 #define __ASSUME_SEND_SYSCALL	1
 
+/* Support for the mlock2 syscall was added to the compat syscall
+   table for 64-bit kernels in 4.7, although present in 32-bit kernels
+   from 4.4.  */
+#if __LINUX_KERNEL_VERSION < 0x040700
+# undef __ASSUME_MLOCK2
+#endif
+
 #undef __ASSUME_CLONE_DEFAULT
 #define __ASSUME_CLONE_BACKWARDS	1
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index e8e2ac6a87..dfee428f49 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -58,6 +58,11 @@
 # undef __ASSUME_EXECVEAT
 #endif
 
+/* Support for the mlock2 syscall was added in 4.7.  */
+#if __LINUX_KERNEL_VERSION < 0x040700
+# undef __ASSUME_MLOCK2
+#endif
+
 /* Support for the copy_file_range syscall was added in 4.10.  */
 #if __LINUX_KERNEL_VERSION < 0x040A00
 # undef __ASSUME_COPY_FILE_RANGE