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Diffstat (limited to 'sysdeps/unix/sysv/linux/arm/kernel-features.h')
-rw-r--r--sysdeps/unix/sysv/linux/arm/kernel-features.h7
1 files changed, 7 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