28 files changed, 29 insertions, 76 deletions

diff --git a/arch/x86/boot/a20.c b/arch/x86/boot/a20.c
index 31348d054fca..90943f83e84d 100644
--- a/arch/x86/boot/a20.c
+++ b/arch/x86/boot/a20.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/a20.c
- *
  * Enable A20 gate (return -1 on failure)
  */
 
diff --git a/arch/x86/boot/apm.c b/arch/x86/boot/apm.c
index c117c7fb859c..7aa6033001f9 100644
--- a/arch/x86/boot/apm.c
+++ b/arch/x86/boot/apm.c
@@ -12,8 +12,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/apm.c
- *
  * Get APM BIOS information
  */
 
diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h
index 8dcc8dc7db88..878e4b9940d9 100644
--- a/arch/x86/boot/bitops.h
+++ b/arch/x86/boot/bitops.h
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/bitops.h
- *
  * Very simple bitops for the boot code.
  */
 
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index 09578070bfba..a34b9982c7cb 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/boot.h
- *
  * Header file for the real-mode kernel code
  */
 
diff --git a/arch/x86/boot/cmdline.c b/arch/x86/boot/cmdline.c
index 680408a0f463..a1d35634bce0 100644
--- a/arch/x86/boot/cmdline.c
+++ b/arch/x86/boot/cmdline.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/cmdline.c
- *
  * Simple command-line parser for early boot.
  */
 
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index 036e635f18a3..ba7736cf2ec7 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -130,7 +130,7 @@ relocated:
 /*
  * Setup the stack for the decompressor
  */
-        leal stack_end(%ebx), %esp
+        leal boot_stack_end(%ebx), %esp
 
 /*
  * Do the decompression, and jump to the new kernel..
@@ -142,8 +142,8 @@ relocated:
         pushl %eax      # input_len
         leal input_data(%ebx), %eax
         pushl %eax      # input_data
-        leal _end(%ebx), %eax
-        pushl %eax      # end of the image as third argument
+        leal boot_heap(%ebx), %eax
+        pushl %eax      # heap area as third argument
         pushl %esi      # real mode pointer as second arg
         call decompress_kernel
         addl $20, %esp
@@ -181,7 +181,10 @@ relocated:
         jmp *%ebp
 
 .bss
+/* Stack and heap for uncompression */
 .balign 4
-stack:
-        .fill 4096, 1, 0
-stack_end:
+boot_heap:
+        .fill BOOT_HEAP_SIZE, 1, 0
+boot_stack:
+        .fill BOOT_STACK_SIZE, 1, 0
+boot_stack_end:
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index e8657b98c902..d8819efac81d 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -28,6 +28,7 @@
 #include <asm/segment.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
+#include <asm/boot.h>
 #include <asm/msr.h>
 #include <asm/asm-offsets.h>
 
@@ -62,7 +63,7 @@ startup_32:
         subl    $1b, %ebp
 
 /* setup a stack and make sure cpu supports long mode. */
-        movl    $user_stack_end, %eax
+        movl    $boot_stack_end, %eax
         addl    %ebp, %eax
         movl    %eax, %esp
 
@@ -243,9 +244,9 @@ ENTRY(startup_64)
 /* Copy the compressed kernel to the end of our buffer
  * where decompression in place becomes safe.
  */
-        leaq    _end(%rip), %r8
-        leaq    _end(%rbx), %r9
-        movq    $_end /* - $startup_32 */, %rcx
+        leaq    _end_before_pgt(%rip), %r8
+        leaq    _end_before_pgt(%rbx), %r9
+        movq    $_end_before_pgt /* - $startup_32 */, %rcx
 1:      subq    $8, %r8
         subq    $8, %r9
         movq    0(%r8), %rax
@@ -267,14 +268,14 @@ relocated:
  */
         xorq    %rax, %rax
         leaq    _edata(%rbx), %rdi
-        leaq    _end(%rbx), %rcx
+        leaq    _end_before_pgt(%rbx), %rcx
         subq    %rdi, %rcx
         cld
         rep
         stosb
 
         /* Setup the stack */
-        leaq    user_stack_end(%rip), %rsp
+        leaq    boot_stack_end(%rip), %rsp
 
         /* zero EFLAGS after setting rsp */
         pushq   $0
@@ -285,7 +286,7 @@ relocated:
  */
         pushq   %rsi                    # Save the real mode argument
         movq    %rsi, %rdi              # real mode address
-        leaq    _heap(%rip), %rsi       # _heap
+        leaq    boot_heap(%rip), %rsi   # malloc area for uncompression
         leaq    input_data(%rip), %rdx  # input_data
         movl    input_len(%rip), %eax
         movq    %rax, %rcx              # input_len
@@ -310,9 +311,12 @@ gdt:
         .quad   0x0080890000000000      /* TS descriptor */
         .quad   0x0000000000000000      /* TS continued */
 gdt_end:
-        .bss
-/* Stack for uncompression */
-        .balign 4
-user_stack:
-        .fill 4096,4,0
-user_stack_end:
+
+.bss
+/* Stack and heap for uncompression */
+.balign 4
+boot_heap:
+        .fill BOOT_HEAP_SIZE, 1, 0
+boot_stack:
+        .fill BOOT_STACK_SIZE, 1, 0
+boot_stack_end:
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index dad4e699f5a3..90456cee47c3 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -217,12 +217,6 @@ static void putstr(const char *);
 static memptr free_mem_ptr;
 static memptr free_mem_end_ptr;
 
-#ifdef CONFIG_X86_64
-#define HEAP_SIZE             0x7000
-#else
-#define HEAP_SIZE             0x4000
-#endif
-
 static char *vidmem;
 static int vidport;
 static int lines, cols;
@@ -449,7 +443,7 @@ asmlinkage void decompress_kernel(void *rmode, memptr heap,
 
         window = output;                /* Output buffer (Normally at 1M) */
         free_mem_ptr     = heap;        /* Heap */
-        free_mem_end_ptr = heap + HEAP_SIZE;
+        free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
         inbuf  = input_data;            /* Input buffer */
         insize = input_len;
         inptr  = 0;
diff --git a/arch/x86/boot/compressed/vmlinux_64.lds b/arch/x86/boot/compressed/vmlinux_64.lds
index 7e5c7209f6cc..bef1ac891bce 100644
--- a/arch/x86/boot/compressed/vmlinux_64.lds
+++ b/arch/x86/boot/compressed/vmlinux_64.lds
@@ -39,10 +39,10 @@ SECTIONS
                 *(.bss.*)
                 *(COMMON)
                 . = ALIGN(8);
-                _end = . ;
+                _end_before_pgt = . ;
                 . = ALIGN(4096);
                 pgtable = . ;
                 . = . + 4096 * 6;
-                _heap = .;
+                _ebss = .;
         }
 }
diff --git a/arch/x86/boot/copy.S b/arch/x86/boot/copy.S
index ef127e56a3cf..ef50c84e8b4b 100644
--- a/arch/x86/boot/copy.S
+++ b/arch/x86/boot/copy.S
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/copy.S
- *
  * Memory copy routines
  */
 
diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index 2462c88689ed..7804389ee005 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/cpucheck.c
- *
  * Check for obligatory CPU features and abort if the features are not
  * present.  This code should be compilable as 16-, 32- or 64-bit
  * code, so be very careful with types and inline assembly.
diff --git a/arch/x86/boot/edd.c b/arch/x86/boot/edd.c
index 8721dc46a0b6..d84a48ece785 100644
--- a/arch/x86/boot/edd.c
+++ b/arch/x86/boot/edd.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/edd.c
- *
  * Get EDD BIOS disk information
  */
 
diff --git a/arch/x86/boot/install.sh b/arch/x86/boot/install.sh
index 88d77761d01b..8d60ee15dfd9 100644
--- a/arch/x86/boot/install.sh
+++ b/arch/x86/boot/install.sh
@@ -1,7 +1,5 @@
 #!/bin/sh
 #
-# arch/i386/boot/install.sh
-#
 # This file is subject to the terms and conditions of the GNU General Public
 # License.  See the file "COPYING" in the main directory of this archive
 # for more details.
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 7828da5cfd07..77569a4a3be1 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/main.c
- *
  * Main module for the real-mode kernel code
  */
 
diff --git a/arch/x86/boot/mca.c b/arch/x86/boot/mca.c
index 68222f2d4b67..911eaae5d696 100644
--- a/arch/x86/boot/mca.c
+++ b/arch/x86/boot/mca.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/mca.c
- *
  * Get the MCA system description table
  */
 
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index e77d89f9e8aa..acad32eb4290 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/memory.c
- *
  * Memory detection code
  */
 
diff --git a/arch/x86/boot/pm.c b/arch/x86/boot/pm.c
index a93cb8bded4d..328956fdb59e 100644
--- a/arch/x86/boot/pm.c
+++ b/arch/x86/boot/pm.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/pm.c
- *
  * Prepare the machine for transition to protected mode.
  */
 
diff --git a/arch/x86/boot/pmjump.S b/arch/x86/boot/pmjump.S
index f5402d51f7c3..ab049d40a884 100644
--- a/arch/x86/boot/pmjump.S
+++ b/arch/x86/boot/pmjump.S
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/pmjump.S
- *
  * The actual transition into protected mode
  */
 
diff --git a/arch/x86/boot/printf.c b/arch/x86/boot/printf.c
index 7e7e890699be..c1d00c0274c4 100644
--- a/arch/x86/boot/printf.c
+++ b/arch/x86/boot/printf.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/printf.c
- *
  * Oh, it's a waste of space, but oh-so-yummy for debugging.  This
  * version of printf() does not include 64-bit support.  "Live with
  * it."
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 481a22097781..f94b7a0c2abf 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/string.c
- *
  * Very basic string functions
  */
 
diff --git a/arch/x86/boot/tty.c b/arch/x86/boot/tty.c
index f3f14bd26371..0be77b39328a 100644
--- a/arch/x86/boot/tty.c
+++ b/arch/x86/boot/tty.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/tty.c
- *
  * Very simple screen I/O
  * XXX: Probably should add very simple serial I/O?
  */
diff --git a/arch/x86/boot/version.c b/arch/x86/boot/version.c
index c61462f7d9a7..2723d9b5ce43 100644
--- a/arch/x86/boot/version.c
+++ b/arch/x86/boot/version.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/version.c
- *
  * Kernel version string
  */
 
diff --git a/arch/x86/boot/video-bios.c b/arch/x86/boot/video-bios.c
index 39e247e96172..49f26aaaebc8 100644
--- a/arch/x86/boot/video-bios.c
+++ b/arch/x86/boot/video-bios.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/video-bios.c
- *
  * Standard video BIOS modes
  *
  * We have two options for this; silent and scanned.
diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c
index 5d5a3f6e8b5c..401ad998ad08 100644
--- a/arch/x86/boot/video-vesa.c
+++ b/arch/x86/boot/video-vesa.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/video-vesa.c
- *
  * VESA text modes
  */
 
diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index 330d6589a2ad..40ecb8d7688c 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/video-vga.c
- *
  * Common all-VGA modes
  */
 
diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c
index c1c47ba069ef..83598b23093a 100644
--- a/arch/x86/boot/video.c
+++ b/arch/x86/boot/video.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/video.c
- *
  * Select video mode
  */
 
diff --git a/arch/x86/boot/video.h b/arch/x86/boot/video.h
index d69347f79e8e..ee63f5d14461 100644
--- a/arch/x86/boot/video.h
+++ b/arch/x86/boot/video.h
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/video.h
- *
  * Header file for the real-mode video probing code
  */
 
diff --git a/arch/x86/boot/voyager.c b/arch/x86/boot/voyager.c
index 6499e3239b41..433909d61e5c 100644
--- a/arch/x86/boot/voyager.c
+++ b/arch/x86/boot/voyager.c
@@ -9,8 +9,6 @@
  * ----------------------------------------------------------------------- */
 
 /*
- * arch/i386/boot/voyager.c
- *
  * Get the Voyager config information
  */