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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d authored by Linus Torvalds on 10 September 2023, 23:28:41 UTC
Linux 6.6-rc1
Tip revision: 0bb80ec
dma.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390_DMA_H
#define _ASM_S390_DMA_H

#include <linux/io.h>

/*
 * MAX_DMA_ADDRESS is ambiguous because on s390 its completely unrelated
 * to DMA. It _is_ used for the s390 memory zone split at 2GB caused
 * by the 31 bit heritage.
 */
#define MAX_DMA_ADDRESS		__va(0x80000000)

#endif /* _ASM_S390_DMA_H */
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