powerpc: Make the 64-bit kernel as a position-independent executable

[linux-2.6-omap-h63xx.git] / arch / powerpc / mm / hash_utils_64.c

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 8920eea3452844dfb906fc3f9d6b67a01d37561f..09db4efe19211d4e97e3212d4447c5e731ee2a49 100644 (file)
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -194,7 +194,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                unsigned long tprot = prot;
 
                /* Make kernel text executable */
-               if (in_kernel_text(vaddr))
+               if (overlaps_kernel_text(vaddr, vaddr + step))
                        tprot &= ~HPTE_R_N;
 
                hash = hpt_hash(va, shift, ssize);
@@ -348,6 +348,7 @@ static int __init htab_dt_scan_page_sizes(unsigned long node,
        return 0;
 }
 
+#ifdef CONFIG_HUGETLB_PAGE
 /* Scan for 16G memory blocks that have been set aside for huge pages
  * and reserve those blocks for 16G huge pages.
  */
@@ -385,6 +386,7 @@ static int __init htab_dt_scan_hugepage_blocks(unsigned long node,
        add_gpage(phys_addr, block_size, expected_pages);
        return 0;
 }
+#endif /* CONFIG_HUGETLB_PAGE */
 
 static void __init htab_init_page_sizes(void)
 {