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Message-id: <d0d0f7432c9cbd52cb2f31d499f8292b13a7ecac.1223706853.git.len.brown@intel.com> Date: Sat, 11 Oct 2008 02:36:15 -0400 From: Len Brown <lenb@...nel.org> To: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Matt Mackall <mpm@...enic.com>, Len Brown <len.brown@...el.com> Subject: [PATCH 55/85] x86: remove magic number from ACPI sleep stack buffer From: Matt Mackall <mpm@...enic.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@...enic.com> Acked-by: Pavel Machek <pavel@...e.cz> Signed-off-by: Len Brown <len.brown@...el.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 426e5d9..29cf340 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -97,7 +97,7 @@ int acpi_save_state_mem(void) #else /* CONFIG_64BIT */ header->trampoline_segment = setup_trampoline() >> 4; #ifdef CONFIG_SMP - stack_start.sp = temp_stack + 4096; + stack_start.sp = temp_stack + sizeof(temp_stack); #endif initial_code = (unsigned long)wakeup_long64; saved_magic = 0x123456789abcdef0; -- 1.5.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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