Remove kernel-features.h conditionals on pre-3.2 kernels.

This patch follows up on the increase in minimum kernel version by
removing conditionals in non-x86, non-x86_64 kernel-features.h headers
that are now constant for all supported kernel versions.

	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x030200]: Likewise.
	[__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code.
	* sysdeps/unix/sysv/linux/arm/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x020624]: Likewise.
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020622]: Likewise.
	[__LINUX_KERNEL_VERSION >= 0x030100]: Likewise.
	[__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code.
	* sysdeps/unix/sysv/linux/ia64/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
	[__LINUX_KERNEL_VERSION < 0x030000]: Remove conditional code.
	* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code.
	[__LINUX_KERNEL_VERSION < 0x020625]: Likewise.
	* sysdeps/unix/sysv/linux/mips/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x030100]: Likewise.
	[_MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623]:
	Remove conditional code.
	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020625]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
	* sysdeps/unix/sysv/linux/sh/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020625]: Likewise.
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
	[__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code.
	* sysdeps/unix/sysv/linux/sparc/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
	* sysdeps/unix/sysv/linux/tile/kernel-features.h
	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.

12 files changed, 100 insertions, 157 deletions

diff --git a/ChangeLog b/ChangeLog
index ac6d44a41f..9dabeca5d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,44 @@
+2016-02-26  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x030200]: Likewise.
+	[__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/arm/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x020624]: Likewise.
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+	* sysdeps/unix/sysv/linux/hppa/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020622]: Likewise.
+	[__LINUX_KERNEL_VERSION >= 0x030100]: Likewise.
+	[__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/ia64/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
+	[__LINUX_KERNEL_VERSION < 0x030000]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION < 0x020621]: Remove conditional code.
+	[__LINUX_KERNEL_VERSION < 0x020625]: Likewise.
+	* sysdeps/unix/sysv/linux/mips/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x030100]: Likewise.
+	[_MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623]:
+	Remove conditional code.
+	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020625]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+	* sysdeps/unix/sysv/linux/sh/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020625]: Likewise.
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+	[__LINUX_KERNEL_VERSION < 0x020625]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/sparc/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x020621]: Make code unconditional.
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+	* sysdeps/unix/sysv/linux/tile/kernel-features.h
+	[__LINUX_KERNEL_VERSION >= 0x030000]: Likewise.
+
 2016-02-24  Marko Myllynen  <myllynen@redhat.com>
 
 	* NEWS (2.23): Fix typo in bug 19048 text.
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 2cd61ecaa4..d7a29db461 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -21,38 +21,18 @@
 #define _KERNEL_FEATURES_H 1
 
 /* Support for recvmmsg was added for alpha in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_RECVMMSG_SYSCALL       1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL       1
 
 /* Support for accept4 and sendmmsg was added for alpha in 3.2.  */
-#if __LINUX_KERNEL_VERSION >= 0x030200
-# define __ASSUME_ACCEPT4_SYSCALL      1
-# define __ASSUME_SENDMMSG_SYSCALL     1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL      1
+#define __ASSUME_SENDMMSG_SYSCALL     1
 
 #include_next <kernel-features.h>
 
 #undef __ASSUME_ST_INO_64_BIT
 
-/* Support for fallocate was added for alpha after 2.6.33-rc1.  */
-#if __LINUX_KERNEL_VERSION < 0x020621
-# undef __ASSUME_FALLOCATE
-#endif
-
 /* There never has been support for fstat64.  */
 #undef __ASSUME_STATFS64
 #define __ASSUME_STATFS64 0
 
-/* Support for various syscalls was added for alpha in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION < 0x020621
-# undef __ASSUME_PREADV
-# undef __ASSUME_PWRITEV
-# undef __ASSUME_IN_NONBLOCK
-# undef __ASSUME_PIPE2
-# undef __ASSUME_EVENTFD2
-# undef __ASSUME_SIGNALFD4
-# undef __ASSUME_DUP3
-#endif
-
 #endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/arm/kernel-features.h b/sysdeps/unix/sysv/linux/arm/kernel-features.h
index 6f1606c833..a97d4e23df 100644
--- a/sysdeps/unix/sysv/linux/arm/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -18,19 +18,13 @@
    <http://www.gnu.org/licenses/>.  */
 
 /* Support for the recvmmsg syscall was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* Support for the accept4 syscall was added in 2.6.36.  */
-#if __LINUX_KERNEL_VERSION >= 0x020624
-# define __ASSUME_ACCEPT4_SYSCALL	1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL	1
 
 /* Support for the sendmmsg syscall was added in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 
 #include_next <kernel-features.h>
 
diff --git a/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/sysdeps/unix/sysv/linux/hppa/kernel-features.h
index a3fcf17d53..d0b489371e 100644
--- a/sysdeps/unix/sysv/linux/hppa/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/hppa/kernel-features.h
@@ -19,15 +19,11 @@
 
 
 /* Support for the accept4 and recvmmsg syscalls was added in 2.6.34.  */
-#if __LINUX_KERNEL_VERSION >= 0x020622
-# define __ASSUME_ACCEPT4_SYSCALL	1
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL	1
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* Support for the sendmmsg syscall was added in 3.1.  */
-#if __LINUX_KERNEL_VERSION >= 0x030100
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 
 /* Support for the utimes syscall was added in 3.14.  */
 #if __LINUX_KERNEL_VERSION >= 0x030e00
@@ -35,8 +31,3 @@
 #endif
 
 #include_next <kernel-features.h>
-
-/* The prlimit64 syscall was added for PA in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION < 0x020625
-# undef __ASSUME_PRLIMIT64
-#endif
diff --git a/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
index ec7660d491..b238322418 100644
--- a/sysdeps/unix/sysv/linux/ia64/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -21,14 +21,10 @@
 #define _KERNEL_FEATURES_H 1
 
 /* Support for the recvmmsg syscall was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* Support for the sendmmsg syscall was added in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 
 /* Support for the accept4 syscall was added in 3.3.  */
 #if __LINUX_KERNEL_VERSION >= 0x030300
diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 1b9fbc30d4..7bce07e204 100644
--- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -46,12 +46,6 @@
 
 #include_next <kernel-features.h>
 
-/* These syscalls were added only in 3.0 for m68k.  */
-#if __LINUX_KERNEL_VERSION < 0x030000
-# undef __ASSUME_PSELECT
-# undef __ASSUME_PPOLL
-#endif
-
 /* No support for PI futexes or robust mutexes before 3.10 for m68k.  */
 #if __LINUX_KERNEL_VERSION < 0x030a00
 # undef __ASSUME_FUTEX_LOCK_PI
diff --git a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
index d1950ef348..8757b5aa87 100644
--- a/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/microblaze/kernel-features.h
@@ -39,10 +39,8 @@
 #define __ASSUME_RECVMSG_SYSCALL	1
 
 /* Support for the accept4 and recvmmsg syscalls was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_ACCEPT4_SYSCALL        1
-# define __ASSUME_RECVMMSG_SYSCALL       1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL        1
+#define __ASSUME_RECVMMSG_SYSCALL       1
 #define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL      1
 
 /* Support for the sendmmsg syscall was added in 3.3.  */
@@ -51,24 +49,10 @@
 #endif
 
 /* Support for the futimesat syscall was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_FUTIMESAT              1
-#endif
+#define __ASSUME_FUTIMESAT              1
 
 #include_next <kernel-features.h>
 
-/* Support for futex_atomic_cmpxchg_inatomic was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION < 0x020621
-# undef __ASSUME_FUTEX_LOCK_PI
-# undef __ASSUME_REQUEUE_PI
-# undef __ASSUME_SET_ROBUST_LIST
-#endif
-
-/* The prlimit64 syscall was added for MicroBlaze in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION < 0x020625
-# undef __ASSUME_PRLIMIT64
-#endif
-
 /* Support for the pselect6, preadv and pwritev syscalls was added in
    3.15.  */
 #if __LINUX_KERNEL_VERSION < 0x030f00
diff --git a/sysdeps/unix/sysv/linux/mips/kernel-features.h b/sysdeps/unix/sysv/linux/mips/kernel-features.h
index 83f7a4704d..702c357317 100644
--- a/sysdeps/unix/sysv/linux/mips/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/mips/kernel-features.h
@@ -23,23 +23,13 @@
 #define __ASSUME_ACCEPT4_SYSCALL	1
 
 /* Support for the recvmmsg syscall was added in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* Support for the sendmmsg syscall was added in 3.1.  */
-#if __LINUX_KERNEL_VERSION >= 0x030100
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 
 #include_next <kernel-features.h>
 
-/* The n32 syscall ABI did not have a getdents64 syscall until
-   2.6.35.  */
-#if _MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623
-# undef __ASSUME_GETDENTS64_SYSCALL
-#endif
-
 /* The MIPS kernel does not support futex_atomic_cmpxchg_inatomic if
    emulating LL/SC.  */
 #if __mips == 1 || defined _MIPS_ARCH_R5900
diff --git a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
index 14807adb27..fa3e7ef111 100644
--- a/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/powerpc/kernel-features.h
@@ -21,40 +21,32 @@
 #define __ASSUME_SOCKETCALL		1
 
 /* The accept4 syscall was added for PowerPC in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_ACCEPT4_SYSCALL	1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL	1
 
 /* The recvmmsg syscall was added for PowerPC in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* New syscalls added for PowerPC in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_SOCKET_SYSCALL	1
-# define __ASSUME_BIND_SYSCALL		1
-# define __ASSUME_CONNECT_SYSCALL	1
-# define __ASSUME_LISTEN_SYSCALL	1
-# define __ASSUME_ACCEPT_SYSCALL	1
-# define __ASSUME_GETSOCKNAME_SYSCALL	1
-# define __ASSUME_GETPEERNAME_SYSCALL	1
-# define __ASSUME_SOCKETPAIR_SYSCALL	1
-# define __ASSUME_SEND_SYSCALL		1
-# define __ASSUME_SENDTO_SYSCALL	1
-# define __ASSUME_RECV_SYSCALL		1
-# define __ASSUME_RECVFROM_SYSCALL	1
-# define __ASSUME_SHUTDOWN_SYSCALL	1
-# define __ASSUME_GETSOCKOPT_SYSCALL	1
-# define __ASSUME_SETSOCKOPT_SYSCALL	1
-# define __ASSUME_SENDMSG_SYSCALL	1
-# define __ASSUME_RECVMSG_SYSCALL	1
-#endif
+#define __ASSUME_SOCKET_SYSCALL	1
+#define __ASSUME_BIND_SYSCALL		1
+#define __ASSUME_CONNECT_SYSCALL	1
+#define __ASSUME_LISTEN_SYSCALL		1
+#define __ASSUME_ACCEPT_SYSCALL		1
+#define __ASSUME_GETSOCKNAME_SYSCALL	1
+#define __ASSUME_GETPEERNAME_SYSCALL	1
+#define __ASSUME_SOCKETPAIR_SYSCALL	1
+#define __ASSUME_SEND_SYSCALL		1
+#define __ASSUME_SENDTO_SYSCALL		1
+#define __ASSUME_RECV_SYSCALL		1
+#define __ASSUME_RECVFROM_SYSCALL	1
+#define __ASSUME_SHUTDOWN_SYSCALL	1
+#define __ASSUME_GETSOCKOPT_SYSCALL	1
+#define __ASSUME_SETSOCKOPT_SYSCALL	1
+#define __ASSUME_SENDMSG_SYSCALL	1
+#define __ASSUME_RECVMSG_SYSCALL	1
 
 /* The sendmmsg syscall was added for PowerPC in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 #define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL	1
 
 #include_next <kernel-features.h>
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 037d6ff0d6..f9bc6f2324 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -21,48 +21,35 @@
 #define __ASSUME_SOCKETCALL		1
 
 /* These syscalls were added for SH in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_SOCKET_SYSCALL	1
-# define __ASSUME_BIND_SYSCALL		1
-# define __ASSUME_CONNECT_SYSCALL	1
-# define __ASSUME_LISTEN_SYSCALL	1
-# define __ASSUME_ACCEPT_SYSCALL	1
-# define __ASSUME_GETSOCKNAME_SYSCALL	1
-# define __ASSUME_GETPEERNAME_SYSCALL	1
-# define __ASSUME_SOCKETPAIR_SYSCALL	1
-# define __ASSUME_SEND_SYSCALL		1
-# define __ASSUME_SENDTO_SYSCALL	1
-# define __ASSUME_RECV_SYSCALL		1
-# define __ASSUME_RECVFROM_SYSCALL	1
-# define __ASSUME_SHUTDOWN_SYSCALL	1
-# define __ASSUME_GETSOCKOPT_SYSCALL	1
-# define __ASSUME_SETSOCKOPT_SYSCALL	1
-# define __ASSUME_SENDMSG_SYSCALL	1
-# define __ASSUME_RECVMSG_SYSCALL	1
-#endif
+#define __ASSUME_SOCKET_SYSCALL		1
+#define __ASSUME_BIND_SYSCALL		1
+#define __ASSUME_CONNECT_SYSCALL	1
+#define __ASSUME_LISTEN_SYSCALL		1
+#define __ASSUME_ACCEPT_SYSCALL		1
+#define __ASSUME_GETSOCKNAME_SYSCALL	1
+#define __ASSUME_GETPEERNAME_SYSCALL	1
+#define __ASSUME_SOCKETPAIR_SYSCALL	1
+#define __ASSUME_SEND_SYSCALL		1
+#define __ASSUME_SENDTO_SYSCALL		1
+#define __ASSUME_RECV_SYSCALL		1
+#define __ASSUME_RECVFROM_SYSCALL	1
+#define __ASSUME_SHUTDOWN_SYSCALL	1
+#define __ASSUME_GETSOCKOPT_SYSCALL	1
+#define __ASSUME_SETSOCKOPT_SYSCALL	1
+#define __ASSUME_SENDMSG_SYSCALL	1
+#define __ASSUME_RECVMSG_SYSCALL	1
 
 /* The accept4 syscall was added for SH in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_ACCEPT4_SYSCALL	1
-#endif
+#define __ASSUME_ACCEPT4_SYSCALL	1
 
 /* The recvmmsg syscall was added for SH in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION >= 0x020625
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* The sendmmsg syscall was added for SH in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 #define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL	1
 
 #include_next <kernel-features.h>
 
 /* SH does not have a 64-bit inode field.  */
 #undef __ASSUME_ST_INO_64_BIT
-
-/* The prlimit64 syscall was added for SH in 2.6.37.  */
-#if __LINUX_KERNEL_VERSION < 0x020625
-# undef __ASSUME_PRLIMIT64
-#endif
diff --git a/sysdeps/unix/sysv/linux/sparc/kernel-features.h b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
index abcef75852..3a7baa7f08 100644
--- a/sysdeps/unix/sysv/linux/sparc/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sparc/kernel-features.h
@@ -25,15 +25,11 @@
 #define __ASSUME_ACCEPT4_SYSCALL_WITH_SOCKETCALL	1
 
 /* The recvmmsg syscall was added for SPARC in 2.6.33.  */
-#if __LINUX_KERNEL_VERSION >= 0x020621
-# define __ASSUME_RECVMMSG_SYSCALL	1
-#endif
+#define __ASSUME_RECVMMSG_SYSCALL	1
 #define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL	1
 
 /* The sendmmsg syscall was added for SPARC in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 #define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL	1
 
 #include_next <kernel-features.h>
diff --git a/sysdeps/unix/sysv/linux/tile/kernel-features.h b/sysdeps/unix/sysv/linux/tile/kernel-features.h
index 5e9229585a..4c48c67ae0 100644
--- a/sysdeps/unix/sysv/linux/tile/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/tile/kernel-features.h
@@ -22,9 +22,7 @@
 #define __ASSUME_RECVMMSG_SYSCALL	1
 
 /* Support for the sendmmsg syscall was added in 3.0.  */
-#if __LINUX_KERNEL_VERSION >= 0x030000
-# define __ASSUME_SENDMMSG_SYSCALL	1
-#endif
+#define __ASSUME_SENDMMSG_SYSCALL	1
 
 #include_next <kernel-features.h>