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Fix DMA access of block device in 64-bit kernel on some non-x86 systems with 4GB...
authorYang Shi <yang.shi@windriver.com>
Tue, 4 Mar 2008 10:20:51 +0000 (11:20 +0100)
committerJens Axboe <jens.axboe@oracle.com>
Tue, 4 Mar 2008 10:20:51 +0000 (11:20 +0100)
For some non-x86 systems with 4GB or upper 4GB memory,
we need increase the range of addresses that can be
used for direct DMA in 64-bit kernel.

Signed-off-by: Yang Shi <yang.shi@windriver.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

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