|  | /* Advise system about intentions for a memory region.  Stub version. | 
|  | Copyright (C) 1994-2014 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 | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #include <sys/types.h> | 
|  | #include <sys/mman.h> | 
|  | #include <errno.h> | 
|  |  | 
|  | /* Advise the system about particular usage patterns the program follows | 
|  | for the region starting at ADDR and extending LEN bytes.  */ | 
|  |  | 
|  | int | 
|  | __madvise (void *addr, size_t len, int advice) | 
|  | { | 
|  | // simply ignore any advice we're given | 
|  | return 0; | 
|  | } | 
|  | libc_hidden_def (__madvise) | 
|  | weak_alias (__madvise, madvise) |