| Date | Sat, 11 Oct 2008 02:36:16 -0400 | From | Len Brown <> | Subject | [PATCH 56/85] x86: trim ACPI sleep stack buffer |
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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
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