s390/setup: fix DMA_API_DEBUG warnings

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Addresses from the usable space in [_ehead, _stext] lead to false
positives in DMA_API_DEBUG code (which will complain when an address
is in [_text, _etext]).

Avoid these warnings by not using that memory in case of
CONFIG_DMA_API_DEBUG=y.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Sebastian Ott 2015-06-16 14:03:37 +02:00 • committed by Martin Schwidefsky

parent d9a5c0c65b

commit 0c36b8ac70

1 changed files with 9 additions and 4 deletions

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arch/s390/kernel/setup.c

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