1 files changed, 0 insertions, 93 deletions
diff --git a/arch/tile/mm/mmap.c b/arch/tile/mm/mmap.c
deleted file mode 100644
index 8ab28167c44b..000000000000
--- a/arch/tile/mm/mmap.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. 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, version 2.
- *
- *   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, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- *
- * Taken from the i386 architecture and simplified.
- */
-
-#include <linux/mm.h>
-#include <linux/random.h>
-#include <linux/limits.h>
-#include <linux/sched/signal.h>
-#include <linux/sched/mm.h>
-#include <linux/mman.h>
-#include <linux/compat.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 = rlimit(RLIMIT_STACK);
-	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)
-{
-#if !defined(__tilegx__)
-	int is_32bit = 1;
-#elif defined(CONFIG_COMPAT)
-	int is_32bit = is_compat_task();
-#else
-	int is_32bit = 0;
-#endif
-	unsigned long random_factor = 0UL;
-
-	/*
-	 *  8 bits of randomness in 32bit mmaps, 24 address space bits
-	 * 12 bits of randomness in 64bit mmaps, 28 address space bits
-	 */
-	if (current->flags & PF_RANDOMIZE) {
-		if (is_32bit)
-			random_factor = get_random_int() % (1<<8);
-		else
-			random_factor = get_random_int() % (1<<12);
-
-		random_factor <<= PAGE_SHIFT;
-	}
-
-	/*
-	 * Use standard layout if the expected stack growth is unlimited
-	 * or we are running native 64 bits.
-	 */
-	if (rlimit(RLIMIT_STACK) == RLIM_INFINITY) {
-		mm->mmap_base = TASK_UNMAPPED_BASE + random_factor;
-		mm->get_unmapped_area = arch_get_unmapped_area;
-	} else {
-		mm->mmap_base = mmap_base(mm);
-		mm->get_unmapped_area = arch_get_unmapped_area_topdown;
-	}
-}
-
-unsigned long arch_randomize_brk(struct mm_struct *mm)
-{
-	return randomize_page(mm->brk, 0x02000000);
-}