1 files changed, 8 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/sys_sparc.c b/arch/sparc64/kernel/sys_sparc.c
index 0077f02f4b37..5f8c822a2b4a 100644
--- a/arch/sparc64/kernel/sys_sparc.c
+++ b/arch/sparc64/kernel/sys_sparc.c
@@ -84,6 +84,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
                         return addr;
         }
 
+        if (len <= mm->cached_hole_size) {
+                mm->cached_hole_size = 0;
+                mm->free_area_cache = TASK_UNMAPPED_BASE;
+        }
         start_addr = addr = mm->free_area_cache;
 
         task_size -= len;
@@ -103,6 +107,7 @@ full_search:
                 if (task_size < addr) {
                         if (start_addr != TASK_UNMAPPED_BASE) {
                                 start_addr = addr = TASK_UNMAPPED_BASE;
+                                mm->cached_hole_size = 0;
                                 goto full_search;
                         }
                         return -ENOMEM;
@@ -114,6 +119,9 @@ full_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_color_align)
                         addr = COLOUR_ALIGN(addr, pgoff);