lkml.org 
[lkml]   [2008]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 56/85] x86: trim ACPI sleep stack buffer
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


\
 
 \ /
  Last update: 2008-10-11 08:49    [from the cache]
©2003-2011 Jasper Spaans