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| author | Matt Mackall <mpm@selenic.com> | 2008-10-09 12:41:50 -0500 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-10 18:05:51 -0400 |
| commit | d0d0f7432c9cbd52cb2f31d499f8292b13a7ecac (patch) | |
| tree | db30e8dbb2488c6564e7a9f3059ab1b64892c120 /arch/x86/kernel/acpi/sleep.c | |
| parent | 3fa8749e584b55f1180411ab1b51117190bac1e5 (diff) | |
| download | blackbird-op-linux-d0d0f7432c9cbd52cb2f31d499f8292b13a7ecac.tar.gz blackbird-op-linux-d0d0f7432c9cbd52cb2f31d499f8292b13a7ecac.zip | |
x86: remove magic number from ACPI sleep stack buffer
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>
Diffstat (limited to 'arch/x86/kernel/acpi/sleep.c')
| -rw-r--r-- | 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 426e5d91b63a..29cf3403abef 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; |
