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[S390] Remove BUILD_BUG_ON() in vmem code.

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Remove BUILD_BUG_ON() in vmem code since it causes build failures if
the size of struct page increases. Instead calculate at compile time
the address of the highest physical address that can be added to the
1:1 mapping.
This supposed to fix a build failure with the page owner tracking leak
detector patches as reported by akpm.

page-owner-tracking-leak-detector-broken-on-s390.patch can be removed
from -mm again when this is merged.

Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2008-02-05 16:50:49 +01:00 • committed by Martin Schwidefsky
parent e35e1fadb4
commit 0189103c69
3 changed files with 11 additions and 6 deletions
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2
arch/s390/kernel/setup.c
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@ -528,7 +528,7 @@ static void __init setup_memory_end(void)
memory_size = 0;
memory_end &= PAGE_MASK;
max_mem = memory_end ? min(VMALLOC_START, memory_end) : VMALLOC_START;
max_mem = memory_end ? min(VMEM_MAX_PHYS, memory_end) : VMEM_MAX_PHYS;
memory_end = min(max_mem, memory_end);
/*