4 files changed, 9 insertions, 10 deletions

diff --git a/arch/i386/boot/setup.S b/arch/i386/boot/setup.S
index a934ab32bf..caa1fde690 100644
--- a/arch/i386/boot/setup.S
+++ b/arch/i386/boot/setup.S
@@ -164,7 +164,7 @@ ramdisk_max:	.long (-__PAGE_OFFSET-(512 << 20)-1) & 0x7fffffff
 trampoline:     call    start_of_setup
                 .align 16
                                         # The offset at this point is 0x240
-                .space  (0x7ff-0x240+1) # E820 & EDD space (ending at 0x7ff)
+                .space  (0xeff-0x240+1) # E820 & EDD space (ending at 0xeff)
 # End of setup header #####################################################
 
 start_of_setup:
@@ -333,9 +333,9 @@ jmpe820:
         # sizeof(e820rec).
         #
 good820:
-        movb    (E820NR), %al                   # up to 32 entries
+        movb    (E820NR), %al                   # up to 128 entries
         cmpb    $E820MAX, %al
-        jnl     bail820
+        jae     bail820
 
         incb    (E820NR)
         movw    %di, %ax
diff --git a/arch/x86_64/boot/setup.S b/arch/x86_64/boot/setup.S
index 3e838be9db..75d4d2ad93 100644
--- a/arch/x86_64/boot/setup.S
+++ b/arch/x86_64/boot/setup.S
@@ -160,7 +160,7 @@ ramdisk_max:	.long 0xffffffff
 trampoline:     call    start_of_setup
                 .align 16
                                         # The offset at this point is 0x240
-                .space  (0x7ff-0x240+1) # E820 & EDD space (ending at 0x7ff)
+                .space  (0xeff-0x240+1) # E820 & EDD space (ending at 0xeff)
 # End of setup header #####################################################
 
 start_of_setup:
@@ -412,9 +412,9 @@ jmpe820:
         # sizeof(e820rec).
         #
 good820:
-        movb    (E820NR), %al                   # up to 32 entries
+        movb    (E820NR), %al                   # up to 128 entries
         cmpb    $E820MAX, %al
-        jnl     bail820
+        jae     bail820
 
         incb    (E820NR)
         movw    %di, %ax
diff --git a/arch/x86_64/kernel/head64.c b/arch/x86_64/kernel/head64.c
index 6cad46c98a..77df2ccb08 100644
--- a/arch/x86_64/kernel/head64.c
+++ b/arch/x86_64/kernel/head64.c
@@ -29,8 +29,6 @@ static void __init clear_bss(void)
                (unsigned long) __bss_end - (unsigned long) __bss_start);
 }
 
-extern char x86_boot_params[2048];
-
 #define NEW_CL_POINTER          0x228   /* Relative to real mode data */
 #define OLD_CL_MAGIC_ADDR       0x90020
 #define OLD_CL_MAGIC            0xA33F
@@ -44,7 +42,7 @@ static void __init copy_bootdata(char *real_mode_data)
         int new_data;
         char * command_line;
 
-        memcpy(x86_boot_params, real_mode_data, 2048); 
+        memcpy(x86_boot_params, real_mode_data, BOOT_PARAM_SIZE);
         new_data = *(int *) (x86_boot_params + NEW_CL_POINTER);
         if (!new_data) {
                 if (OLD_CL_MAGIC != * (u16 *) OLD_CL_MAGIC_ADDR) {
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index b5305b04bc..678b7ac33b 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -12,6 +12,7 @@
 #include <linux/string.h>
 #include <linux/bootmem.h>
 #include <linux/bitops.h>
+#include <asm/bootsetup.h>
 #include <asm/pda.h>
 #include <asm/pgtable.h>
 #include <asm/processor.h>
@@ -26,7 +27,7 @@
 #include <asm/mman.h>
 #include <asm/numa.h>
 
-char x86_boot_params[2048] __initdata = {0,};
+char x86_boot_params[BOOT_PARAM_SIZE] __initdata = {0,};
 
 cpumask_t cpu_initialized __initdata = CPU_MASK_NONE;