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authorRafael J. Wysocki <rjw@sisk.pl>2009-09-10 00:02:02 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-09-10 00:02:02 +0200
commitbf992fa2bc1ad1bb2aeb0bdfadb43f236b9297fd (patch)
treed67f525c76b66956ba7ca0d40bc0fcda0e414700 /arch/sparc/include
parent9d7302299ee96ca954fe4ab8ca640333b6e19ad0 (diff)
parent7135a71b19be1faf48b7148d77844d03bc0717d6 (diff)
Merge branch 'master' into for-linus
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/pgtable_64.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index b049abf9902..0ff92fa2206 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -726,11 +726,17 @@ extern unsigned long pte_file(pte_t);
extern pte_t pgoff_to_pte(unsigned long);
#define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL)
-extern unsigned long *sparc64_valid_addr_bitmap;
+extern unsigned long sparc64_valid_addr_bitmap[];
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */
-#define kern_addr_valid(addr) \
- (test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap))
+static inline bool kern_addr_valid(unsigned long addr)
+{
+ unsigned long paddr = __pa(addr);
+
+ if ((paddr >> 41UL) != 0UL)
+ return false;
+ return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);
+}
extern int page_in_phys_avail(unsigned long paddr);