kmemcheck: add hooks for page- and sg-dma-mappings

This is needed for page allocator support to prevent false positives
when accessing pages which are dma-mapped.

[rebased for mainline inclusion]
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
This commit is contained in:
Vegard Nossum 2009-02-21 13:52:37 +01:00
commit 9b5cab3189