lkml.org 
[lkml]   [2010]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 37/37] x86: make e820 to be __initdata
    Date
    Finally no user after init boot stage. We can free it to save some bytes.

    Signed-off-by: Yinghai Lu <yinghai@kernel.org>
    ---
    arch/x86/include/asm/e820.h | 2 --
    arch/x86/kernel/e820.c | 2 +-
    2 files changed, 1 insertions(+), 3 deletions(-)
    diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
    index cd7de51..f2ab72e 100644
    --- a/arch/x86/include/asm/e820.h
    +++ b/arch/x86/include/asm/e820.h
    @@ -73,8 +73,6 @@ struct e820map {
    #define BIOS_END 0x00100000

    #ifdef __KERNEL__
    -/* see comment in arch/x86/kernel/e820.c */
    -extern struct e820map e820;

    #if defined(CONFIG_X86_OOSTORE) && defined(CONFIG_CPU_SUP_CENTAUR)
    extern int centaur_ram_top;
    diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
    index f338b3b..b2594a4 100644
    --- a/arch/x86/kernel/e820.c
    +++ b/arch/x86/kernel/e820.c
    @@ -35,7 +35,7 @@
    * user can e.g. boot the original kernel with mem=1G while still booting the
    * next kernel with full memory.
    */
    -struct e820map e820;
    +static struct e820map __initdata e820;
    static struct e820map __initdata e820_saved;

    /* For PCI or other memory-mapped resources */
    --
    1.6.4.2


    \
     
     \ /
      Last update: 2010-06-16 07:51    [from the cache]
    ©2003-2011 Jasper Spaans