From f361a450bf1ad14e2b003217dbf3958638631265 Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Thu, 10 Jul 2008 20:38:26 -0700 Subject: x86: introduce max_low_pfn_mapped for 64-bit when more than 4g memory is installed, don't map the big hole below 4g. Signed-off-by: Yinghai Lu Cc: Suresh Siddha Signed-off-by: Ingo Molnar --- arch/x86/kernel/acpi/boot.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/x86/kernel/acpi') diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index a31a579a47ca..9c981c4a3644 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -130,7 +130,7 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size) if (!phys || !size) return NULL; - if (phys+size <= (max_pfn_mapped << PAGE_SHIFT)) + if (phys+size <= (max_low_pfn_mapped << PAGE_SHIFT)) return __va(phys); offset = phys & (PAGE_SIZE - 1); -- cgit v1.2.1