From: Russell King <rmk@arm.linux.org.uk>
To: linux-mm@kvack.org
Subject: Patch for review
Date: Fri, 24 Aug 2001 11:07:06 +0100 [thread overview]
Message-ID: <20010824110706.B31722@flint.arm.linux.org.uk> (raw)
Hi,
Could someone please review the patch at:
http://www.arm.linux.org.uk/developer/patches/?action=viewpatch&id=613/1
and indicate whether it is acceptable to you folks?
The problem is that on some Intel StrongARM-based machines, the address
line A20 must never be set when performing DMA accesses, otherwise the
SDRAM gets corrupted. Therefore, we must only provide a 1MB DMA region.
As Nico Pitre says there, Linux currently expects all memory zones to be
larger than 2MB.
Thanks.
--
Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux
http://www.arm.linux.org.uk/personal/aboutme.html
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reply other threads:[~2001-08-24 10:07 UTC|newest]
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