[RESEND] [PATCH] alpha: remove dead BIO_VMERGE_BOUNDARY

[FUJITA Tomonori]

This is a resend of:

http://marc.info/?l=linux-kernel&m=122482703716610&w=2

Jens, can you merge this via your tree? There is no tree for Alpha.

=
From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Subject: [PATCH] alpha: remove dead BIO_VMERGE_BOUNDARY

The block layer dropped the virtual merge feature
(b8b3e16cfe6435d961f6aaebcfd52a1ff2a988c5). BIO_VMERGE_BOUNDARY
definition is meaningless now.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>
---
 arch/alpha/include/asm/io.h |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index e971ab0..eda9b90 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -96,9 +96,6 @@ static inline dma_addr_t __deprecated isa_page_to_bus(struct page *page)
 	return page_to_phys(page);
 }
 
-/* This depends on working iommu.  */
-#define BIO_VMERGE_BOUNDARY	(alpha_mv.mv_pci_tbi ? PAGE_SIZE : 0)
-
 /* Maximum PIO space address supported?  */
 #define IO_SPACE_LIMIT 0xffff
 
-- 
1.5.6.5

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