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-rw-r--r--sysdeps/unix/sysv/linux/arm/kernel-features.h7
-rw-r--r--sysdeps/unix/sysv/linux/microblaze/kernel-features.h5
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 7831ab1..c6e7452 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 e8e2ac6..dfee428 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