* [tip:x86/mm] x86, mm: Enable ARCH_DMA_ADDR_T_64BIT with X86_64 || HIGHMEM64G
[not found] <201010202255.o9KMtZXu009370@imap1.linux-foundation.org>
@ 2010-10-20 23:07 ` tip-bot for FUJITA Tomonori
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From: tip-bot for FUJITA Tomonori @ 2010-10-20 23:07 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, hpa, mingo, akpm, fujita.tomonori, tglx, hpa
Commit-ID: 66f2b061546974b96b7b238a92ce89a87ecf0754
Gitweb: http://git.kernel.org/tip/66f2b061546974b96b7b238a92ce89a87ecf0754
Author: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
AuthorDate: Wed, 20 Oct 2010 15:55:35 -0700
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Wed, 20 Oct 2010 16:02:42 -0700
x86, mm: Enable ARCH_DMA_ADDR_T_64BIT with X86_64 || HIGHMEM64G
Set CONFIG_ARCH_DMA_ADDR_T_64BIT when we set dma_addr_t to 64 bits in
<asm/types.h>; this allows Kconfig decisions based on this property.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
LKML-Reference: <201010202255.o9KMtZXu009370@imap1.linux-foundation.org>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/Kconfig | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cea0cd9..2924f4e 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1148,6 +1148,9 @@ config X86_PAE
config ARCH_PHYS_ADDR_T_64BIT
def_bool X86_64 || X86_PAE
+config ARCH_DMA_ADDR_T_64BIT
+ def_bool X86_64 || HIGHMEM64G
+
config DIRECT_GBPAGES
bool "Enable 1GB pages for kernel pagetables" if EMBEDDED
default y
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