[PATCH] Dynamic kernel command-line: i386

1. Rename saved_command_line into boot_command_line.
2. Set command_line as __initdata.

Signed-off-by: Alon Bar-Lev <alon.barlev@gmail.com>
Cc: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index edef508..cb9abdf 100644 (file)
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -103,7 +103,7 @@ ENTRY(startup_32)
        movzwl OLD_CL_OFFSET,%esi
        addl $(OLD_CL_BASE_ADDR),%esi
 2:
-       movl $(saved_command_line - __PAGE_OFFSET),%edi
+       movl $(boot_command_line - __PAGE_OFFSET),%edi
        movl $(COMMAND_LINE_SIZE/4),%ecx
        rep
        movsl

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 4b31ad7..4694ac9 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -132,7 +132,7 @@ unsigned long saved_videomode;
 #define RAMDISK_PROMPT_FLAG            0x8000
 #define RAMDISK_LOAD_FLAG              0x4000  
 
-static char command_line[COMMAND_LINE_SIZE];
+static char __initdata command_line[COMMAND_LINE_SIZE];
 
 unsigned char __initdata boot_params[PARAM_SIZE];
 
@@ -576,7 +576,7 @@ void __init setup_arch(char **cmdline_p)
                print_memory_map("user");
        }
 
-       strlcpy(command_line, saved_command_line, COMMAND_LINE_SIZE);
+       strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
        *cmdline_p = command_line;
 
        max_low_pfn = setup_memory();