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Date: Tue, 16 Jan 2007 22:37:56 +0800 From: "Yu-Chen Wu" <g944370@...nthu.edu.tw> To: <linux-kernel@...r.kernel.org> Subject: Can a buffer allocated by "vmalloc( )" be used to make DMA transmission (the buffer will be used by BIO structure) on X86_64 platform? Hi all, Can a buffer allocated by "vmalloc( )" be used to make DMA transmission (the buffer will be used by BIO structure) on X86_64 platform? I need a big buffer (cache) maybe 64MB or bigger, so I call vmalloc to allocate the buffer. If possible, how to get the pages in the buffer? Thanks - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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