* [PATCH] s390: fix pgd_index() compile warnings
@ 2005-01-03 14:24 Heiko Carstens
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From: Heiko Carstens @ 2005-01-03 14:24 UTC (permalink / raw)
To: Andrew Morton; +Cc: linux-kernel
Hi Andrew,
the patch below fixes a few compile warnings due to missing parenthesizes.
Please apply. Thanks,
Heiko
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
diff -urN linux-2.6/include/asm-s390/pgtable.h linux-2.6-patched/include/asm-s390/pgtable.h
--- linux-2.6/include/asm-s390/pgtable.h 2005-01-03 14:56:02.000000000 +0100
+++ linux-2.6-patched/include/asm-s390/pgtable.h 2005-01-03 15:05:38.000000000 +0100
@@ -681,7 +681,7 @@
#define pgd_page_kernel(pgd) (pgd_val(pgd) & PAGE_MASK)
/* to find an entry in a page-table-directory */
-#define pgd_index(address) ((address >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
+#define pgd_index(address) (((address) >> PGDIR_SHIFT) & (PTRS_PER_PGD-1))
#define pgd_offset(mm, address) ((mm)->pgd+pgd_index(address))
/* to find an entry in a kernel page-table-directory */
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