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    Subject[PATCH] x86: disable_mtrr_trim only need for x86_64
    [PATCH] x86: disable_mtrr_trim only need for x86_64

    mtrr_trim_uncached_memory is only used in x86_64,

    so disable_mtrr_trim is not needed for x86_32

    Signed-off-by: Yinghai Lu <yinghai.lu@sun.com>

    diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
    index 46763e3..608c88a 100644
    --- a/arch/x86/kernel/cpu/mtrr/main.c
    +++ b/arch/x86/kernel/cpu/mtrr/main.c
    @@ -624,6 +624,7 @@ static struct sysdev_driver mtrr_sysdev_driver = {
    .resume = mtrr_restore,
    };

    +#ifdef CONFIG_X86_64
    static int disable_mtrr_trim;

    static int __init disable_mtrr_trim_setup(char *str)
    @@ -633,7 +634,6 @@ static int __init disable_mtrr_trim_setup(char *str)
    }
    early_param("disable_mtrr_trim", disable_mtrr_trim_setup);

    -#ifdef CONFIG_X86_64
    /**
    * mtrr_trim_uncached_memory - trim RAM not covered by MTRRs
    *

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