Remove some pre-2.6.0 Linux kernel conditionals.

sysdeps/unix/sysv/linux/dl-sysdep.c

@@ -1,5 +1,5 @@
 /* Dynamic linker system dependencies for Linux.
-   Copyright (C) 1995,1997,2001,2004,2005,2006, 2008 Free Software Foundation, Inc.
+   Copyright (C) 1995-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -33,27 +33,6 @@ static inline void
 frob_brk (void)
 {
   __brk (0);			/* Initialize the break.  */
-
-#if ! __ASSUME_BRK_PAGE_ROUNDED
-  /* If the dynamic linker was executed as a program, then the break may
-     start immediately after our data segment.  However, dl-minimal.c has
-     already stolen the remainder of the page for internal allocations.
-     If we don't adjust the break location recorded by the kernel, the
-     normal program startup will inquire, find the value at our &_end,
-     and start allocating its own data there, clobbering dynamic linker
-     data structures allocated there during startup.
-
-     Later Linux kernels have changed this behavior so that the initial
-     break value is rounded up to the page boundary before we start.  */
-
-  extern char *__curbrk attribute_hidden;
-  extern char _end[] attribute_hidden;
-  char *const endpage = (void *) 0 + (((__curbrk - (char *) 0)
-				       + GLRO(dl_pagesize) - 1)
-				      & -GLRO(dl_pagesize));
-  if (__builtin_expect (__curbrk >= _end && __curbrk < endpage, 0))
-    __brk (endpage);
-#endif
 }
 
 # include <elf/dl-sysdep.c>