From: matt.vinall@cwcom.net
To: linux-kernel@vger.kernel.org
Cc: mjv94@zepler.org.uk
Subject: bigmem in 2.2.17
Date: Wed, 20 Jun 2001 18:23:15 +0100 [thread overview]
Message-ID: <3b30dc03.3e78.0@cwcom.net> (raw)
Hi All,
I'm trying to write a driver for a PCI card and would like to use the
bigmem patch. My development system is running 2.2.17-21mdk (Mandrake
7.2), but as soon as I make a call to kmap() I get unresolved symbols
bigmem_start, kmap_prot and kmap_pte. They ARE in System.map, but not
/proc/ksyms and, indeed, there doesn't seem to be any EXPORT_SYMBOL
directive for them in kernel/ksyms.c. I'm guessing there's something else
I need to do but don't know what. Any ideas??
Also, does GFP_BIGMEM give me physical contiguous pages, suitable for
DMA by a PCI card? I know of GFP_DMA, but wondered if that was really
intended for ISA cards.
TIA
Matt
reply other threads:[~2001-06-20 17:24 UTC|newest]
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