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x86: remove magic number from ACPI sleep stack buffer

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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>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Matt Mackall 2008-10-09 12:41:50 -05:00 committed by Len Brown
parent 3fa8749e58
commit d0d0f7432c
1 changed files with 1 additions and 1 deletions
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arch/x86/kernel/acpi/sleep.c
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@ -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;