X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=mm%2Futil.c;h=f126975ef23e7bea33e5fa5e15d191bb8dfd1b2e;hb=HEAD;hp=73dac81e9f782be7c58407b1f14a9bbb214b543e;hpb=690c12d2c8ca50e55a3f507059c780ecdb8fd83f;p=mv-sheeva.git

diff --git a/mm/util.c b/mm/util.c
index 73dac81e9f7..f126975ef23 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -186,27 +186,6 @@ void kzfree(const void *p)
 }
 EXPORT_SYMBOL(kzfree);
 
-int kern_ptr_validate(const void *ptr, unsigned long size)
-{
-	unsigned long addr = (unsigned long)ptr;
-	unsigned long min_addr = PAGE_OFFSET;
-	unsigned long align_mask = sizeof(void *) - 1;
-
-	if (unlikely(addr < min_addr))
-		goto out;
-	if (unlikely(addr > (unsigned long)high_memory - size))
-		goto out;
-	if (unlikely(addr & align_mask))
-		goto out;
-	if (unlikely(!kern_addr_valid(addr)))
-		goto out;
-	if (unlikely(!kern_addr_valid(addr + size - 1)))
-		goto out;
-	return 1;
-out:
-	return 0;
-}
-
 /*
  * strndup_user - duplicate an existing string from user space
  * @s: The string to duplicate