1 files changed, 0 insertions, 92 deletions

diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 38f098c9c72d..58dfc02c7af1 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -22,102 +22,10 @@
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/ipc.h>
-#include <asm/cacheflush.h>
 #include <asm/syscalls.h>
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
-unsigned long shm_align_mask = PAGE_SIZE - 1;   /* Sane caches */
-EXPORT_SYMBOL(shm_align_mask);
-
-#ifdef CONFIG_MMU
-/*
- * To avoid cache aliases, we map the shared page with same color.
- */
-#define COLOUR_ALIGN(addr, pgoff)                               \
-        ((((addr) + shm_align_mask) & ~shm_align_mask) +        \
-         (((pgoff) << PAGE_SHIFT) & shm_align_mask))
-
-unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
-        unsigned long len, unsigned long pgoff, unsigned long flags)
-{
-        struct mm_struct *mm = current->mm;
-        struct vm_area_struct *vma;
-        unsigned long start_addr;
-        int do_colour_align;
-
-        if (flags & MAP_FIXED) {
-                /* We do not accept a shared mapping if it would violate
-                 * cache aliasing constraints.
-                 */
-                if ((flags & MAP_SHARED) && (addr & shm_align_mask))
-                        return -EINVAL;
-                return addr;
-        }
-
-        if (unlikely(len > TASK_SIZE))
-                return -ENOMEM;
-
-        do_colour_align = 0;
-        if (filp || (flags & MAP_SHARED))
-                do_colour_align = 1;
-
-        if (addr) {
-                if (do_colour_align)
-                        addr = COLOUR_ALIGN(addr, pgoff);
-                else
-                        addr = PAGE_ALIGN(addr);
-
-                vma = find_vma(mm, addr);
-                if (TASK_SIZE - len >= addr &&
-                    (!vma || addr + len <= vma->vm_start))
-                        return addr;
-        }
-
-        if (len > mm->cached_hole_size) {
-                start_addr = addr = mm->free_area_cache;
-        } else {
-                mm->cached_hole_size = 0;
-                start_addr = addr = TASK_UNMAPPED_BASE;
-        }
-
-full_search:
-        if (do_colour_align)
-                addr = COLOUR_ALIGN(addr, pgoff);
-        else
-                addr = PAGE_ALIGN(mm->free_area_cache);
-
-        for (vma = find_vma(mm, addr); ; vma = vma->vm_next) {
-                /* At this point:  (!vma || addr < vma->vm_end). */
-                if (unlikely(TASK_SIZE - len < addr)) {
-                        /*
-                         * Start a new search - just in case we missed
-                         * some holes.
-                         */
-                        if (start_addr != TASK_UNMAPPED_BASE) {
-                                start_addr = addr = TASK_UNMAPPED_BASE;
-                                mm->cached_hole_size = 0;
-                                goto full_search;
-                        }
-                        return -ENOMEM;
-                }
-                if (likely(!vma || addr + len <= vma->vm_start)) {
-                        /*
-                         * Remember the place where we stopped the search:
-                         */
-                        mm->free_area_cache = addr + len;
-                        return addr;
-                }
-                if (addr + mm->cached_hole_size < vma->vm_start)
-                        mm->cached_hole_size = vma->vm_start - addr;
-
-                addr = vma->vm_end;
-                if (do_colour_align)
-                        addr = COLOUR_ALIGN(addr, pgoff);
-        }
-}
-#endif /* CONFIG_MMU */
-
 static inline long
 do_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
          unsigned long flags, int fd, unsigned long pgoff)