Hi, this patch had a check that the memory allocated is in the first 1MB. The check is similar to the one in smp_alloc_memory.
Signed-off-by: "Matthieu CASTET <[EMAIL PROTECTED]>"
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index 6bc815c..65ab23c 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -65,6 +65,10 @@ void __init acpi_reserve_bootmem(void) acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE*2); if (!acpi_wakeup_address) printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n"); + + /* check if we are in first 1MB of memory */ + if (__pa(acpi_wakeup_address) >= 1024*1024-PAGE_SIZE*2) + BUG(); }
