diff options
| author | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2006-06-29 19:57:46 -0400 |
| commit | d120cfb544ed6161b9d32fb6c4648c471807ee6b (patch) | |
| tree | 7757ad0198d8df76ff5c60f939a687687c41da00 /include/asm-powerpc/mmu_context.h | |
| parent | 9dce0e950dbfab4148f35ac6f297d8638cdc63c4 (diff) | |
| parent | bf7e8511088963078484132636839b59e25cf14f (diff) | |
| download | op-kernel-dev-d120cfb544ed6161b9d32fb6c4648c471807ee6b.zip op-kernel-dev-d120cfb544ed6161b9d32fb6c4648c471807ee6b.tar.gz | |
merge linus into release branch
Conflicts:
drivers/acpi/acpi_memhotplug.c
Diffstat (limited to 'include/asm-powerpc/mmu_context.h')
| -rw-r--r-- | include/asm-powerpc/mmu_context.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-powerpc/mmu_context.h b/include/asm-powerpc/mmu_context.h index 8c6b1a6d..083ac91 100644 --- a/include/asm-powerpc/mmu_context.h +++ b/include/asm-powerpc/mmu_context.h @@ -25,8 +25,13 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, { } +/* + * The proto-VSID space has 2^35 - 1 segments available for user mappings. + * Each segment contains 2^28 bytes. Each context maps 2^44 bytes, + * so we can support 2^19-1 contexts (19 == 35 + 28 - 44). + */ #define NO_CONTEXT 0 -#define MAX_CONTEXT (0x100000-1) +#define MAX_CONTEXT ((1UL << 19) - 1) extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); extern void destroy_context(struct mm_struct *mm); |
