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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
Subject: Why is arch/x86/kernel/acpi/sleep.c:temp_stack 10k?
Date: Tue, 30 Sep 2008 19:12:37 -0500	[thread overview]
Message-ID: <1222819957.13453.15.camel@calx> (raw)

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.


             reply	other threads:[~2008-10-01  0:15 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-01  0:12 Matt Mackall [this message]
2008-10-09  8:56 ` Why is arch/x86/kernel/acpi/sleep.c:temp_stack 10k? Pavel Machek
2008-10-09 16:56   ` [PATCH] x86: trim ACPI sleep stack buffer Matt Mackall
2008-10-09 17:19     ` Len Brown
2008-10-09 17:23       ` Moore, Robert
2008-10-09 17:41         ` Matt Mackall
2008-10-09 18:07           ` Pavel Machek
2008-10-09 18:35             ` Len Brown
2008-10-09 21:25               ` Rafael J. Wysocki

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