lkml.org 
[lkml]   [2008]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH 56/85] x86: trim ACPI sleep stack buffer
    From: Matt Mackall <mpm@selenic.com>

    x86_64 SMP suspend to RAM uses a 10k temporary stack for saving the
    kernel state, but only 4k of it is used. Shrink it to 4k.

    Signed-off-by: Matt Mackall <mpm@selenic.com>
    Signed-off-by: Len Brown <len.brown@intel.com>
    ---
    arch/x86/kernel/acpi/sleep.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
    index 29cf340..55d10cb 100644
    --- a/arch/x86/kernel/acpi/sleep.c
    +++ b/arch/x86/kernel/acpi/sleep.c
    @@ -21,7 +21,7 @@ unsigned long acpi_realmode_flags;
    static unsigned long acpi_realmode;

    #if defined(CONFIG_SMP) && defined(CONFIG_64BIT)
    -static char temp_stack[10240];
    +static char temp_stack[4096];
    #endif

    /**
    --
    1.5.5.1


    \
     
     \ /
      Last update: 2008-10-11 08:49    [W:0.020 / U:0.100 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site