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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-25 21:24:26 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-25 21:24:26 -0700
commit4dc627d55edad85e26ae81f17634bd4590993ba0 (patch)
tree678da065a5d77f41ab33819ea970baf994ca50e8 /arch/sparc/include
parent9c9376886622b45c32f64c4444f5628dde77dfe6 (diff)
parentd8ed1d43e17898761c7221014a15a4c7501d2ff3 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Validate linear D-TLB misses. sparc64: Update defconfig. sparc32: Update defconfig. sparc32: Kill trap table freeing code. sparc: sys32.S incorrect compat-layer splice() system call sparc: Use page_fault_out_of_memory() for VM_FAULT_OOM. sparc64: Sign extend length arg to truncate syscalls when compat. sparc: Fix cleanup crash in bbc_envctrl_cleanup()
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);