4 files changed, 7 insertions, 20 deletions

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 29f1095b0849..3f8579f8d42c 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -29,9 +29,6 @@ void __init i386_start_kernel(void)
                 reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
         }
 #endif
-        reserve_early(init_pg_tables_start, init_pg_tables_end,
-                        "INIT_PG_TABLE");
-
         reserve_ebda_region();
 
         /*
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index c32ca19d591a..db6652710e98 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -167,7 +167,7 @@ num_subarch_entries = (. - subarch_entries) / 4
 /*
  * Initialize page tables.  This creates a PDE and a set of page
  * tables, which are located immediately beyond _end.  The variable
- * init_pg_tables_end is set up to point to the first "safe" location.
+ * _brk_end is set up to point to the first "safe" location.
  * Mappings are created both at virtual address 0 (identity mapping)
  * and PAGE_OFFSET for up to _end+sizeof(page tables)+INIT_MAP_BEYOND_END.
  *
@@ -190,8 +190,7 @@ default_entry:
 
         xorl %ebx,%ebx                          /* %ebx is kept at zero */
 
-        movl $pa(pg0), %edi
-        movl %edi, pa(init_pg_tables_start)
+        movl $pa(__brk_base), %edi
         movl $pa(swapper_pg_pmd), %edx
         movl $PTE_IDENT_ATTR, %eax
 10:
@@ -216,7 +215,8 @@ default_entry:
         cmpl %ebp,%eax
         jb 10b
 1:
-        movl %edi,pa(init_pg_tables_end)
+        addl $__PAGE_OFFSET, %edi
+        movl %edi, pa(_brk_end)
         shrl $12, %eax
         movl %eax, pa(max_pfn_mapped)
 
@@ -227,8 +227,7 @@ default_entry:
 
 page_pde_offset = (__PAGE_OFFSET >> 20);
 
-        movl $pa(pg0), %edi
-        movl %edi, pa(init_pg_tables_start)
+        movl $pa(__brk_base), %edi
         movl $pa(swapper_pg_dir), %edx
         movl $PTE_IDENT_ATTR, %eax
 10:
@@ -249,7 +248,8 @@ page_pde_offset = (__PAGE_OFFSET >> 20);
         leal (INIT_MAP_BEYOND_END+PTE_IDENT_ATTR)(%edi),%ebp
         cmpl %ebp,%eax
         jb 10b
-        movl %edi,pa(init_pg_tables_end)
+        addl $__PAGE_OFFSET, %edi
+        movl %edi, pa(_brk_end)
         shrl $12, %eax
         movl %eax, pa(max_pfn_mapped)
 
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b8329029c150..3ac2aa7b9eaf 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -161,12 +161,6 @@ static struct resource bss_resource = {
 
 
 #ifdef CONFIG_X86_32
-/* This value is set up by the early boot code to point to the value
-   immediately after the boot time page tables.  It contains a *physical*
-   address, and must not be in the .bss segment! */
-unsigned long init_pg_tables_start __initdata = ~0UL;
-unsigned long init_pg_tables_end __initdata = ~0UL;
-
 static struct resource video_ram_resource = {
         .name   = "Video RAM area",
         .start  = 0xa0000,
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index 27e44aa21585..1063fbe93c73 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -196,10 +196,6 @@ SECTIONS
         __brk_limit = . ;
 
         _end = . ;
-
-        /* This is where the kernel creates the early boot page tables */
-        . = ALIGN(PAGE_SIZE);
-        pg0 = . ;
   }
 
   /* Sections to be discarded */