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Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/kernel-features.h')
-rw-r--r--sysdeps/unix/sysv/linux/alpha/kernel-features.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index e691bb0e1e..f3a7a555c0 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -93,4 +93,10 @@
 # define __ASSUME_FDATASYNC	1
 #endif
 
+/* Support for preadv and pwritev was added for alpha in 2.6.33.  */
+#if __LINUX_KERNEL_VERSION < 0x020621
+# undef __ASSUME_PREADV
+# undef __ASSUME_PWRITEV
+#endif
+
 #endif /* _KERNEL_FEATURES_H */