i386: prepare shared mm/mmap.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 77 deletions

diff --git a/arch/i386/mm/mmap.c b/arch/i386/mm/mmap.c
deleted file mode 100644
index 552e08473755..000000000000
--- a/arch/i386/mm/mmap.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- *  linux/arch/i386/mm/mmap.c
- *
- *  flexible mmap layout support
- *
- * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- *
- * Started by Ingo Molnar <mingo@elte.hu>
- */
-
-#include <linux/personality.h>
-#include <linux/mm.h>
-#include <linux/random.h>
-#include <linux/sched.h>
-
-/*
- * Top of mmap area (just below the process stack).
- *
- * Leave an at least ~128 MB hole.
- */
-#define MIN_GAP (128*1024*1024)
-#define MAX_GAP (TASK_SIZE/6*5)
-
-static inline unsigned long mmap_base(struct mm_struct *mm)
-{
-        unsigned long gap = current->signal->rlim[RLIMIT_STACK].rlim_cur;
-        unsigned long random_factor = 0;
-
-        if (current->flags & PF_RANDOMIZE)
-                random_factor = get_random_int() % (1024*1024);
-
-        if (gap < MIN_GAP)
-                gap = MIN_GAP;
-        else if (gap > MAX_GAP)
-                gap = MAX_GAP;
-
-        return PAGE_ALIGN(TASK_SIZE - gap - random_factor);
-}
-
-/*
- * This function, called very early during the creation of a new
- * process VM image, sets up which VM layout function to use:
- */
-void arch_pick_mmap_layout(struct mm_struct *mm)
-{
-        /*
-         * Fall back to the standard layout if the personality
-         * bit is set, or if the expected stack growth is unlimited:
-         */
-        if (sysctl_legacy_va_layout ||
-                        (current->personality & ADDR_COMPAT_LAYOUT) ||
-                        current->signal->rlim[RLIMIT_STACK].rlim_cur == RLIM_INFINITY) {
-                mm->mmap_base = TASK_UNMAPPED_BASE;
-                mm->get_unmapped_area = arch_get_unmapped_area;
-                mm->unmap_area = arch_unmap_area;
-        } else {
-                mm->mmap_base = mmap_base(mm);
-                mm->get_unmapped_area = arch_get_unmapped_area_topdown;
-                mm->unmap_area = arch_unmap_area_topdown;
-        }
-}