--- glibc-2.3.6.orig/elf/dl-load.c	2005-04-06 09:50:10.000000000 +0700
+++ glibc-2.3.6.orig/elf/dl-load.c	2006-01-27 00:24:17.487899649 +0600
@@ -1150,6 +1150,9 @@ 
 	    goto call_lose_errno;
 	  }
 
+	if (GLRO(dl_madvise))
+	  __madvise ((void *) l->l_map_start, maplength, MADV_WILLNEED);
+
 	l->l_map_end = l->l_map_start + maplength;
 	l->l_addr = l->l_map_start - c->mapstart;
 
--- glibc-2.3.6.orig/elf/dl-support.c	2006-01-27 00:18:58.000000000 +0600
+++ glibc-2.3.6.orig/elf/dl-support.c	2006-01-27 00:25:07.744464197 +0600
@@ -48,6 +48,8 @@ 
 /* If nonzero print warnings about problematic situations.  */
 int _dl_verbose;
 
+int _dl_madvise;
+
 /* We never do profiling.  */
 const char *_dl_profile;
 const char *_dl_profile_output;
@@ -243,6 +245,8 @@ 
 
   _dl_direct = *(getenv ("LD_BIND_DIRECT") ?: "") == '\0';
 
+  _dl_madvise = *(getenv ("LD_NOMADVISE") ?: "") == '\0';
+
   _dl_bind_not = *(getenv ("LD_BIND_NOT") ?: "") != '\0';
 
   _dl_dynamic_weak = *(getenv ("LD_DYNAMIC_WEAK") ?: "") == '\0';
--- glibc-2.3.6.orig/elf/rtld.c	2006-01-27 00:18:58.000000000 +0600
+++ glibc-2.3.6.orig/elf/rtld.c	2006-01-27 00:24:17.533888271 +0600
@@ -125,6 +125,7 @@ 
     ._dl_lazy = 1,
     ._dl_direct = 0,
     ._dl_fpu_control = _FPU_DEFAULT,
+    ._dl_madvise = 1,
 
     /* Function pointers.  */
     ._dl_get_origin = _dl_get_origin,
@@ -2155,6 +2156,14 @@ 
 	  break;
 
 	case 9:
+	  /* Test whether we should not advise the kernel
+	     about memory usage.  */
+	  if (memcmp (envline, "NOMADVISE", 9) == 0)
+	    {
+	      GLRO(dl_madvise) = envline[10] == '\0';
+	      break;
+	    }
+
 	  /* Test whether we want to see the content of the auxiliary
 	     array passed up from the kernel.  */
 	  if (!INTUSE(__libc_enable_secure)
--- glibc-2.3.6.orig/include/sys/mman.h	1999-11-26 01:02:03.000000000 +0600
+++ glibc-2.3.6.orig/include/sys/mman.h	2006-01-27 00:24:17.563880850 +0600
@@ -8,6 +8,7 @@ 
 		       int __flags, int __fd, __off64_t __offset);
 extern int __munmap (void *__addr, size_t __len);
 extern int __mprotect (void *__addr, size_t __len, int __prot);
+extern int __madvise (void *__addr, size_t __len, int __advise);
 
 /* This one is Linux specific.  */
 extern void *__mremap (void *__addr, size_t __old_len,
--- glibc-2.3.6.orig/sysdeps/generic/ldsodefs.h	2006-01-27 00:18:58.000000000 +0600
+++ glibc-2.3.6.orig/sysdeps/generic/ldsodefs.h	2006-01-27 00:24:17.578877140 +0600
@@ -417,6 +417,9 @@ 
   /* Do we do direct relocations?  */
   EXTERN int _dl_direct;
 
+  /* Should we advise kernel about memory usage? */
+  EXTERN int _dl_madvise;
+
   /* Nonzero if runtime lookups should not update the .got/.plt.  */
   EXTERN int _dl_bind_not;
 
--- glibc-2.3.6.orig/sysdeps/unix/sysv/linux/syscalls.list	2004-11-12 07:15:38.000000000 +0600
+++ glibc-2.3.6.orig/sysdeps/unix/sysv/linux/syscalls.list	2006-01-27 00:24:17.580876645 +0600
@@ -31,7 +31,7 @@ 
 klogctl		EXTRA	syslog		i:isi	klogctl
 lchown		-	lchown		i:sii	__lchown	lchown
 posix_madvise	-	madvise		Vi:pii	posix_madvise
-madvise		-	madvise		i:pii	madvise
+madvise		-	madvise		i:pii	__madvise	madvise
 mincore		-	mincore		i:anV	mincore
 mlock		-	mlock		i:bn	mlock
 mlockall	-	mlockall	i:i	mlockall