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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-05-31 15:59:04 +0900
committerJens Axboe <jaxboe@fusionio.com>2010-08-07 18:15:50 +0200
commit7e005f79791dcd58436c88ded4a7f5aed1b82147 (patch)
tree3dfed83c36d9627ceffdedd783d1d02dadb7d436 /arch/ia64
parentbfe172310e58225f0d07f9354b683abacbd6a0d8 (diff)
remove needless ISA_DMA_THRESHOLD
Architectures don't need to define ISA_DMA_THRESHOLD anymore. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: James Bottomley <James.Bottomley@suse.de> Acked-by: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/include/asm/scatterlist.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/ia64/include/asm/scatterlist.h b/arch/ia64/include/asm/scatterlist.h
index f299a4fb25c8..08fd93bff1db 100644
--- a/arch/ia64/include/asm/scatterlist.h
+++ b/arch/ia64/include/asm/scatterlist.h
@@ -2,15 +2,6 @@
#define _ASM_IA64_SCATTERLIST_H
#include <asm-generic/scatterlist.h>
-/*
- * It used to be that ISA_DMA_THRESHOLD had something to do with the
- * DMA-limits of ISA-devices. Nowadays, its only remaining use (apart
- * from the aha1542.c driver, which isn't 64-bit clean anyhow) is to
- * tell the block-layer (via BLK_BOUNCE_ISA) what the max. physical
- * address of a page is that is allocated with GFP_DMA. On IA-64,
- * that's 4GB - 1.
- */
-#define ISA_DMA_THRESHOLD 0xffffffff
#define ARCH_HAS_SG_CHAIN
#endif /* _ASM_IA64_SCATTERLIST_H */