diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-25 21:24:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-08-25 21:24:26 -0700 |
| commit | 4dc627d55edad85e26ae81f17634bd4590993ba0 (patch) | |
| tree | 678da065a5d77f41ab33819ea970baf994ca50e8 /arch/sparc/include/asm/pgtable_64.h | |
| parent | 9c9376886622b45c32f64c4444f5628dde77dfe6 (diff) | |
| parent | d8ed1d43e17898761c7221014a15a4c7501d2ff3 (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/asm/pgtable_64.h')
| -rw-r--r-- | arch/sparc/include/asm/pgtable_64.h | 12 |
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); |