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Subject: Why is arch/x86/kernel/acpi/sleep.c:temp_stack 10k?
From: Matt Mackall <mpm@selenic.com>
To: Ingo Molnar <mingo@elte.hu>, Pavel Machek <pavel@suse.cz>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       linux-acpi@vger.kernel.org
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Date: Tue, 30 Sep 2008 19:12:37 -0500
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We've got:

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

and:

#ifdef CONFIG_SMP
        stack_start.sp = temp_stack + 4096;
#endif

..which suggests we use at most 4k of the stack?

-- 
Mathematics is the supreme nostalgia of our time.